The title Marquesses of Mancera (Spanish: Marqués de Mancera) is a hereditary title in the nobility of Castille and Grandees of Spain. The title was created by King Philip IV of Spain and given to Pedro de Toledo y Leiva, in the 17th Century.
The Toledo last name is a shortening of Álvarez de Toledo. In the 1570s, Pedro de Toledo, 8th son of García Álvarez de Toledo, 1st Duke of Alba, established a primogeniture (Spanish: Mayorazgo) over his estates and the surrounding lands, and became Lord of Mancera, Salmoral, Navarros, San Miguel, Montalbo and Gallegos, in the province of Avila, Castile-La Mancha, Spain.
Pedro de Toledo y Leiva, Lord of Mancera was granted the elevation of his title to Marquis on July 17, 1623.