Taejo of Joseon
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Taejo of Joseon

Taejo of Joseon

King Taejo Yi 02.jpg
Portrait of King Taejo of Joseon
King of Joseon
ReignAugust 5, 1392 - October 14, 1398
CoronationAugust 5, 1392
PredecessorDynasty established
Gongyang of Goryeo as King of Goryeo
SuccessorJeongjong of Joseon
King Emeritus of Joseon
TenureOctober 14, 1398 - November 28, 1400
SuccessorJeongjong of Joseon
Grand King Emeritus of Joseon
TenureNovember 28, 1400 - May 24, 1408
SuccessorJeongjong of Joseon
BornOctober 27, 1335
Hamheung, Hamgyeong Province, Kingdom of Goryeo
DiedMay 24, 1408(1408-05-24) (aged 72)
Changdeok Palace, Kingdom of Joseon
Geonwolleung, Part of the Donggureung Tomb Cluster.
ConsortQueen Shinui
Queen Sindeok
IssueJeongjong of Joseon
Taejong of Joseon
Posthumous name
King Kangheon Jiin Gyewun Seongmun Shinmu the Great of Joseon

Temple name
Taejo (, )
HouseJeonju Yi
FatherHwanjo of Joseon
MotherQueen Uihye
ReligionBuddhism (Korean dominated)
Korean name
Revised RomanizationTaejo
Pen name
Revised RomanizationSongheon
Birth name
???, later ??
???, later ??
Revised RomanizationI Seonggye, later I Dan
McCune-ReischauerYi S?nggye, later Yi Tan
Courtesy name
Revised RomanizationJunggyeol

Taejo of Joseon (October 27, 1335 - May 24, 1408), born (Middle Korean: Ni Syeng kyey(),[1]Modern Korean: Yi Seong-gye()) was the founder and the first king of the Joseon dynasty of Korea. After ascension to the throne, he changed his name to (Middle Korean: Ni Tan(),[1]Modern Korean: Yi Dan()). He reigned from 1392 to 1398, and was the main figure in the overthrowing of the Goryeo Dynasty.

Taejo's father, Yi Ja-chun was an official of Korean ethnicity serving the Mongol-led Chinese Yuan Dynasty.[2] Taejo's mother Queen Uihye was a Chinese woman from the Yantai-Weihai area of Shandong.[3][4] Taejo joined the Goryeo army and rose through the ranks before finally seizing the throne in 1392. He abdicated in 1398 during a strife between his sons and died in 1408.


Historical context for rise

By the late 14th century, the 400-year-old Goryeo dynasty established by Wang Geon in 918 was tottering, its foundations collapsing from years of war and de facto occupation by the waning Yuan dynasty. The legitimacy of Korea itself was also becoming an increasingly disputed issue within the court, as the ruling house failed not only to govern the kingdom effectively, but was also tarnished by generations of forced intermarriage with members of the Yuan imperial family and by rivalry amongst various Goryeo royal family branches (even King U's mother was a known commoner, thus leading to rumors disputing his descent from King Gongmin).

Within the kingdom, influential aristocrats, generals, and even prime ministers struggled for royal favor and vied for domination of the court, resulting in deep divisions among various factions. With the ever-increasing number of raids against Goryeo conducted by Japanese pirates (wak?) and the Red Turbans, those who came to dominate the royal court were the reformed-minded Sinjin aristocracy and the opposing Gweonmun aristocracy, as well as generals who could actually fight off the foreign threats--namely a talented general named Yi Seong-gye and his rival Choe Yeong. With the rise of the Ming dynasty under a former monk, Zhu Yuanzhang (the Hongwu Emperor), Yuan forces became more vulnerable. By the 1350s Goryeo regained its full independence from the Yuan dynasty, although Yuan remnants effectively occupied northeastern territories with large garrisons of troops.

Military career

General Yi Seong-gye had gained power and respect during the late 1370s and early 1380s by pushing Mongol remnants off the peninsula and also by repelling well-organized Japanese pirates in a series of successful engagements. He was also credited with routing the Red Turbans when they made their move into the Korean Peninsula as part of their rebellion against the Yuan Dynasty. Following in the wake of the rise of the Ming dynasty under Zhu Yuanzhang, the royal court in Goryeo split into two competing factions: the group led by General Yi (supporting the Ming dynasty) and the camp led by his rival General Choe (supporting the Yuan dynasty).

When a Ming messenger came to Goryeo in 1388 (the 14th year of King U) to demand the return of a significant portion of Goryeo's northern territory, General Choe seized the opportunity and played upon the prevailing anti-Ming atmosphere to argue for the invasion of the Liaodong Peninsula (Goryeo claimed to be the successor of the ancient kingdom of Goguryeo; as such, restoring Manchuria as part of Korean territory was a tenet of its foreign policy throughout its history).[]

A staunchly opposed Yi was chosen to lead the invasion; however, at Wihwa Island on the Amrok River, he made a momentous decision, commonly called "Turning back the army from Wihwa Island", that would alter the course of Korean history. Knowing of the support he enjoyed both from high-ranking government officials, the general populace, and the great deterrent of Ming Empire under the Hongwu Emperor, he decided to revolt and swept back to the capital, Gaegyeong, to secure control of the government.


General Yi swept his army from the Yalu straight into the capital, defeated forces loyal to the king (led by General Choe, whom he proceeded to eliminate), and forcibly dethroned King U in a de facto coup, but did not ascend to the throne right away. Instead, he placed on the throne King U's son, King Chang, and following a failed restoration of the former monarch, had both of them put to death. General Yi, now the undisputed power behind the throne, soon forcibly had a Goryeo royal named Yo, now King Gongyang (; ), crowned as king. After indirectly enforcing his grasp on the royal court through the puppet king, Yi then proceeded to ally himself with Sinjin aristocrats, such as Jeong Do-jeon and Jo Jun. In 1392 (the 4th year of King Gongyang), Yi dethroned King Gongyang, exiled him to Wonju (where he and his family were secretly murdered), and ascended the throne, thus ending the Goryeo Dynasty after 475 years of rule.

One of the most widely repeated episodes that occurred in the immediate aftermath of the fall of Goryeo was in 1392, when Taejo's fifth son, Yi Bang-won (later King Taejong), threw a party for the renowned scholar, poet and statesman Jeong Mong-ju, who refused to be won over by Yi despite their numerous correspondences in the form of archaic poems, and continued to be a faithful supporter of the old dynasty, and a leading figure in the opposition to Yi's claim to the throne. Jeong was revered throughout Goryeo, even by Yi Bang-won himself, but he was seen to be an obstacle and as such, in the eyes of supporters of the new dynasty, had to be removed. After the party, on his way home, Jeong was murdered by five men on the Seonjuk Bridge (; ) in Gaeseong. This bridge has now become a national monument of North Korea, and a brown spot on one of the stones is said to be a bloodstain of his which turns red when it rains.


Yi Seong-gye declared a new dynasty in 1392-1393 under the name of Joseon, thereby reviving an older state, also known as Joseon, that was, legendarily, established nearly three thousand years previously, and renamed the country the "Kingdom of Great Joseon".[]

An early achievement of the new monarch was improved relations with China; and indeed, Joseon had its origin in General Yi's refusal to attack China in response to raids from Chinese bandits.[5] Shortly after his accession, the new monarch sent envoys to inform the Ming court at Nanjing that a dynastic change had taken place.[6] Korean envoys were dispatched to Japan, seeking the re-establishment of amicable relations. The mission was successful; and sh?gun Ashikaga Yoshimitsu was reported to have been favorably impressed by this initial embassy.[7] Envoys from the Ry?ky? Kingdom were received in 1392, 1394 and 1397. Siam sent an envoy in 1393.[6]

In 1394, the capital was established at Hanseong (Seoul).[8][9] When the new dynasty was promulgated and officially brought into existence, Taejo brought up the issue of which son would be his successor. Although Taejo's fifth son by Queen Sineui, Yi Bang-won, had contributed most to assisting his father's rise to power, he harbored a profound hatred against two of his father's key allies in the court, the prime minister Jeong Do-jeon and Nam Eun.

Both sides were fully aware of the mutual animosity that existed between each other and constantly felt threatened. When it became clear that Yi Bang-won was the most worthy successor to the throne, Jeong Do-jeon used his influence on the king to convince him that the wisest choice would be in the son that Taejo loved most, not the son that Taejo felt was best for the kingdom.

In 1392, the eighth son of King Taejo (the second son of Queen Sindeok), Grand Prince Uian (Yi Bang-seok) was appointed Prince Royal, or successor to the throne. After the sudden death of the queen, and while King Taejo was still in mourning for his second wife, Jeong Do-jeon conspired to pre-emptively kill Yi Bang-won and his brothers to secure his position in court.[]

In 1398, upon hearing of this plan, Yi Bang-won immediately revolted and raided the palace, killing Jeong Do-jeon, his followers, and the two sons of the late Queen Sindeok. This incident became known as the First Strife of Princes. Aghast at the fact that his sons were willing to kill each other for the crown, and psychologically exhausted from the death of his second wife, King Taejo immediately crowned his second son Yi Bang-gwa, later King Jeongjong, as the new ruler. Thereafter, King Taejo retired to the Hamhung Royal Villa. After that, he maintained distance with Yi Bang-won. Doing so provoked huge rampage from Taejo, because both the two sons and Jeong Do-jeon were whom he favored. Allegedly, Yi Bang-won sent emissaries numerous times, and each time Taejo killed them to express his firm decision not to meet his son again. This historical anecdote gave birth to the term "Hamhung Cha sa", which means a person who never comes back despite several nudges.[10] But recent studies have found that Taejo in fact did not kill any of those Hamung emissaries. Those subjects were killed during revolts, which coincidentally occurred in the Hamhung region.[11]

In 1400, King Jeongjong pronounced his brother Yi Bang-won as heir presumptive and voluntarily abdicated. That same year, Yi Bang-won assumed the throne of Joseon at long last as King Taejong.

Ten years after his abdication, King Taejo died on May 24, 1408 in Changdeok Palace. He was buried at the tomb of Geonwonleung (, ) in the city of Guri.[12]




One of the many issues demonstrating the early strained relationship between the early Joseon & Ming was the debate of Taejo's genealogy, which began as early as 1394 [Taejo Sillok, vol.6, July 14, 1394, entry 1] and became a sort of diplomatic friction that lasted over 200 years. The Collected Regulations of the Great Ming (then known as simplified Chinese: ?; traditional Chinese: ?; pinyin: Dà Míng Hùit?ng) erroneously recorded "Yi Dan" (; Taejo's original name) as the son of Yi In-im (), and that "Yi Dan" killed the last four kings of Goryeo, thereby establishing Ming's opinion of Taejo as an usurper first and foremost, from the time of the Hongwu Emperor when he repeatedly refused to acknowledge him as the new sovereign of the Korean peninsula (1373-1395). The first mention of this error was in 1518 (about 9 years after the publication; Jungjong Sillok, vol.32, June 3, 1518, entry 1), and those who saw the publication wrote petitions towards Ming demanding for redress, among others Fourth State Councillor () Lee Gye-maeng () & then-Minister of Rites (?) Nam Gon, whose petition "Jong'gye Byeonmu" (? ?) [Jungjong Sillok, vol.33, July 3, 1518, entry 1] took until 1584 (after many Ming envoys had seen it), through Chief Scholar () Hwang Jeong-uk (), that the issue was finally addressed Seonjo Sillok, December 2, 1584, entry 2]; the Wanli Emperor commissioned a second edition in 1576 (covering the years covers the years between 1479 and 1584). About a year after its completion, Yoo Hong () saw the revision, and returned to Joseon with the good news [Seonjo Sillok, vol.22, April 23, 1588, entry 1; May 19, 1588, entry 1].

  1. Queen Shinui of the Anbyeon Han clan (September 1337 - October 21, 1391) (? )[16][17]
    1. Yi Bang-U, Grand Prince Jinan (1354 - January 15, 1394) ( ?)[18]
    2. Yi Bang-Gwa, Grand Prince Yeongan (July 18, 1357 - October 15, 1419) ( ?)
    3. Yi Bang-Ui, Grand Prince Ikan (1360 - September 26, 1404) ( ?)
    4. Yi Bang-Gan, Grand Prince Hwoean (July 2, 1364 - April 10, 1421) ( ?)
    5. Yi Bang-Won, Grand Prince Jeongan (June 13, 1367 - May 30, 1422) ( ?)
    6. Yi Bang-Yeon, Grand Prince Deokan ( ?)
    7. Princess Gyeongshin (? - April 29, 1426) (?)[19]
    8. Princess Gyeongseon (?)[20]
  2. Queen Sindeok of the Goksan Kang clan (July 12, 1356 - September 15, 1396) (? )[21][22][23]
    1. Yi Bang-Beon, Grand Prince Muan (1381 - October 6, 1398) ( ?)[24][25])
    2. Yi Bang-Seok, Grand Prince Uian (1382 - October 6, 1398) ( ?)[24][25]
    3. Princess Gyeongsun (? - September 8, 1407) (?)[26][27]
  3. Royal Noble Consort Seong of the Wonju Won clan (? - December 29, 1449) ( )[28][29]
  4. Lady Jeonggyeong of the Goheung Yu clan (? )[30][31]
  5. Princess Hwaui of the Kim clan (? - 1428) (? )[32]
    1. Princess Sukshin (? - 1453) (?)[33]
  6. Lady Chandeok of the Ju clan ( )[34]
    1. Princess Uiryeong (? - February 1, 1466) (?)[35]

His full posthumous name

  • King Taejo Jiin Gyewun Seongmun Shinmu the Great of Joseon[36]
  • King Taejo Kangheon Jiin Gyewun Seongmun Shinmu the Great of Joseon[37]
  • Emperor Taejo Jiin Gyewun Eungcheon Jotong Gwanghun Yeongmyeong Seongmun Shinmu Jeong'ui Gwangdeok of the Korean Empire[38]
    • ?
    • ?


The tomb of his Umbilical cord is in Man-In-san, Geumsan-gun, South Chungcheong Province in the Republic of Korea.

Despite the fact that he overthrew the kingdom of Goryeo, and purged officials who remained loyal to the old regime, many regard him as a revolutionary and a decisive ruler who deposed the inept, obsolete and crippled governing system to save the nation from many foreign forces and conflicts.[]

Safeguarding domestic security led the Koreans to rebuild and further discover their culture. In the midst of the rival Yuan and Ming Dynasties, the Joseon Dynasty encouraged the development of national identity which once was threatened by the Mongols. However, some scholars, particularly in North Korea,[39] view him as a mere traitor to the old regime, paralleling him to a bourgeois apostate, and General Choe Yeong as a military elite, who conservatively served the old regime of Goryeo to death.

His diplomatic policy successes in securing Korea in the early modern period is notable.[40]

Portrayals in adaptations

See also


  1. ^ a b Lee, Ki-Moon; Ramsay, Robert (2011). A History of the Korean Language. Cambridge University Press. p. 153. ISBN 978-1139494489. Retrieved 2020.
  2. ^ ? 5?, 3? 4? 28? 3?
  3. ^ Encyclopedia of Korean Culture ? ?. Encyclopedia of Korean Culture. Retrieved 2017.
  4. ^ Doosan Encyclopedia ? ?. Doosan Encyclopedia. Retrieved 2017.
  5. ^ Hussain, Tariq. (2006). Diamond Dilemma: Shaping Korea for the 21st Century, p. 45; Hodge, Carl Cavanagh. (2008). Encyclopedia of the Age of Imperialism, 1800-1914: A-K, p. 401.
  6. ^ a b Goodrich, L. Carrington et al. (1976). Dictionary of Ming biography, 1368-1644 (), Vol. II, p. 1601.
  7. ^ Titsingh, Isaac. (1834). Annales des empereurs du japon, p. 320; Northeast Asian History Foundation: Korea-Japan relations> Early Modern Period> Foreign Relations in Early Joseon Archived October 28, 2009, at the Wayback Machine.
  8. ^ "Seoul municipality website". Archived from the original on May 15, 2011.
  9. ^ "About Seoul> History> General Information> Center of Korean Culture". Archived from the original on December 3, 2012.
  10. ^ "?(?) - ". encykorea.aks.ac.kr. Retrieved 2019.
  11. ^ [?]? '?'? . (in Korean). February 24, 2016. Retrieved 2019.
  12. ^ Seoul municipality: News> Features> Royal Tombs of the Joseon Dynasty> Ggureung Tomb Complex at Guri-si, Gyeonggi-do.
  13. ^ Also known by his Mongolian name "Ulus Buqa" (/).
  14. ^ a b Taejo first honored his recent agnatic forefathers to the 4th degree and their legal wives with the posthumous titles "King" (? wang) & "Consort" (? bi) on August 16, 1392 [Taejo Sillok, vol. 1, yr. 1, entry 2], further confirmed on November 20, 1392 [Taejo Sillok, vol. 2, yr. 1, entry 1]. Taejong upgraded the earlier honors bestowed on his forefathers by bestowing them the temple names "Progenitor" (? jo) in the posthumous style of "the Great (King)" ( daewang), & the posthumous title of "Queen" ( wanghu), on May 14, 1411 [Taejong Sillok, vol.21, yr. 11, entry 1]. Yi Ja-chun and his wife Lady Choe were posthumously honored by his son Taejo as "King Hwan" () & "Consort Ui" () respectively, & their grandson Taejong with the temple name "Hwanjo the Great" (?; simp. "Hwanjo") & posthumous name "Queen Uihye" (?) respectively.
  15. ^ Daughter of Choi Han-gi (, dates unknown; original name Jo Jo ()), Duke Jeonghyo () & Lord Yeongheung (); and Lady Lee (), Lady Joseonguk ().
  16. ^ Taejo first honored his deceased first wife with the posthumous title "Consort Jeol" () in 1393, and was upgraded by their 2nd son then-reigning king Jeongjong with the posthumous name "Queen Shin'ui" on December 19, 1398 [Taejo Sillok, vol. 15, yr. 7, entry 1]. Taejong further adulated his mother by upgrading her from "Queen" to "the Great (Queen)" ( wangtaehu) on September 25, 1408, but on July 6, 1683, Sukjong reverted her posthumous name to that of "Queen". Elevated during the Korean Empire as "Shin'ui, the Empress Go" () in 1897.
  17. ^ Daughter of Han Gyeong (), Duke Gyeongmin () & Lord Ancheon (); & Lady Shin (), Lady Samhanguk ().
  18. ^ His princess consort and wife (Lady Ji, Lady Samhanguk ( ))'s two younger sisters became his younger brother Jeongjong's concubines (Royal Concubine Seong () & (Decent Beauty ()).
  19. ^ Later married Yi Ae (; original name Yi Baek-gyeong ()), eldest son of Yi Geo-yi (, killer of Prince Ui'an-daegun), Duke Mundo () & Lord Seowon (); created Prince Consort Sangdang ().
  20. ^ Later married Shim Jong (), 6th son of Shim Deok-bu (, 1328-1401), Duke Jeong'an () & Count Cheongseong (); created Prince Consort Cheongwon (). Her elder brother-in-law Shim On ()'s eldest daughter later became Sejong's Queen Consort.
  21. ^ Seoul municipality: About Seoul> History> Historical Sites> Royal Tombs & Shrines> Jeongneung.
  22. ^ Only called as "Consort Hyeon" (), and was never granted a posthumous name due to Taejong's enmity towards her and her sons. In 1669, at the recommendation of Song Si-yeol, Hyeonjong granted her her rightful place at the Royal Shrine on August 30, and the posthumous name "Queen Sindeok" was finally granted on September 14. Elevated during the Korean Empire as "Sindeok, the Empress Go" () in 19 December [O.S. November 17] 1899.
  23. ^ Youngest daughter of Kang Yoon-seong (, dates unknown), Duke Munjeong () & Lord Sangsan (); & Lady Kang ( ), Lady Jinsan ().
  24. ^ a b On September 14, 1406, Taejong bestowed upon his slain half-brothers Yi Bang-beon & Yi Bang-seok the posthumous titles of "Prince Gongsun-gun" () & "Prince Sodo-gun" (); Taejong never acknowledging the fact that his youngest brother became the Crown Prince (September 7, 1392; Yi Bang-gwa stripped him off his title during the First Strife of Princes). On August 21, 1680, Sukjong elevated their posthumous names to "Prince Mu'an-daegun" & "Prince Ui'an-daegun".
  25. ^ a b Both princes were slain during the onslaught of the First Strife of Princes (?1? ?). Jo Jun () killed Yi Bang-beon out of the city gates; after being stripped off his title as Crown Prince, Yi Geo-yi (father-in-law of his elder half-sister Princess Gyeongshin) and others, appeared from Yeongchumun Gate of Gyeongbokgung Palace and killed him. Their younger sister Princess Gyeongsun's husband Yi Je was killed alongside Jeong Do-jeon's faction.
  26. ^ Married Yi Je (, 1365 - October 6, 1398), son of Yi Il-lip (), nephew of Yi In-im (, ?-1388); created Meritorious Prince Heung'an () for services offered during Taejo's foundation of Joseon.
  27. ^ After the First Strife of Princes, Yi Bang-gwa ordered Princess Gyeongsun out of the palace.
  28. ^ Became Taejo's concubine and entered the palace on March 13, 1398 [Taejo Sillok, vol. 13, yr. 7, entry 2], and was first bestowed the title of "Royal Concubine" (? bin). In 1406, Taejong raised her title to that of Consort (? bi; equivalent to the highest-ranking conubine reminiscent of Goryeo).
  29. ^ Married Taejo in 1398, Eldest daughter of Won Sang (, dates unknown), Duke Huijeong (); and Lady Sohn (, ?-1414).
  30. ^ Lady Yu served as a palace girl under Queen Sindeok. On January 25, 1398, along with Chiljeomseon, Taejo bestowed on her the title of "Princess Jeonggyeong" (?) [Taejo Sillok, vol. 13, yr. 7, entry 1]. Taejong elevated her title to that of "Lady Jeonggyeong" on May 29, 1406 [Taejong Sillok, vol. 11, yr. 6, entry 3].
  31. ^ Daughter of Yu Jun (). Her last known recorded instance was during Sejong's 1st year [Sejong Sillok, vol. 5, October 15, 1419, entry 5].
  32. ^ Chiljeomseon was born a courtesan of Gimhae. On January 25, 1398, along with Lady Yu, Taejo bestowed on her the title of "Princess Hwa'ui" [Taejo Sillok, vol. 13, yr. 7, entry 1].
  33. ^ Later married Hong Hae (), son of Hong Eon-soo (); created Lord Dangseong ().
  34. ^ Chandeok () was an old title that was part of the Inner Court of Ladies () during the early Joseon Dynasty, with a grade of 3rd Rank (3?) [Taejong Sillok vol.1, March 23, 1401, entry 2; vol.9, February 14, 1405, entry 3]. This title wasn't unique to the Joseon Dynasty, since during Gaozong of Tang's rule, he reformed the ranks of the imperial consorts, with 2 zanteh () ranking just below the Empress. Created during Taejong's rule, it disappeared by the time of both Sejong's rule & Lady Ju's death.
  35. ^ Later married Yi Deung (), son of Yi Gae (); created Lord Gyecheon ().
  36. ^ Taejong of Joseon Sillok vol.16, August 7, 1408, entry 3.
  37. ^ Preface to Taejo Sillok, entry 1. The posthumous title "Kangheon" ( ) was bestowed from Ming, and was added to Taejo's posthumous name [Taejong Sillok vol.16, October 13, 1408, entry 1].
  38. ^ Gojong Sillok vol.39, December 23, 1899, entry 1. Gojong notably omitted the posthumous title China bestowed on Taejo as a sign of the Empire's "independence" from Qing
  39. ^ "[Feature] Chosun: North Korea's Love-Hate Relationship with History - New Focus International". May 31, 2013.
  40. ^ Kang, Jae-eun et al. (2006). The Land of Scholars, p. 172; Northeast Asian History Foundation Archived March 3, 2009, at the Wayback Machine > Korea-China relations> Early Modern Period> Korea-China relations during the Joseon Archived October 26, 2009, at the Wayback Machine.


Taejo of Joseon
Born: 11 October 1335 Died: 24 May 1408
Regnal titles
New title
King of Joseon
August 5, 1392 - October 14, 1398
Succeeded by

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