|Marquessate of Tweeddale|
Arms: Quarterly: 1st & 4th, Argent, three Escutcheons Gules (Hay); 2nd, Gules, three Bars Ermine (Gifford); 3rd, Azure, three Cinquefoils Argent (Fraser). Crest: A Goat's Head erased Argent, armed Or. Supporters: On either side a Buck proper, attired and unguled Or, each gorged with a Collar Azure, charged with three Cinquefoils Argent.
|Creation date||17 December 1694|
|Peerage||Peerage of Scotland|
|First holder||John Hay, 1st Marquess of Tweeddale|
|Present holder||ARHB, 14th Marquess of Tweeddale|
|Heir presumptive||The 1st Marquess' heirs male whatsoever|
|Subsidiary titles||Earl of Tweeddale |
Earl of Gifford
Viscount of Walden
Lord Hay of Yester
Baron Tweeddale (UK)
|Former seat(s)||Yester House|
Marquess of Tweeddale (sometimes spelled Tweedale) is a title of the Peerage of Scotland, created in 1694 for the 2nd Earl of Tweeddale. Lord Tweeddale holds the subsidiary titles of Earl of Tweeddale (created 1646), Earl of Gifford (1694), Viscount of Walden (1694), Lord Hay of Yester (1488), and Baron Tweeddale, of Yester in the County of Haddington (1881), all but the last in the Peerage of Scotland. As Baron Tweeddale in the Peerage of the United Kingdom, Lord Tweeddale sat between 1881 and 1963 in the House of Lords. The Marquess' eldest son uses Viscount Walden as a courtesy title.
The heir presumptive is the present holder's brother Lord Alistair James Montagu Hay, Master of Tweeddale (b. 1955).
The heir presumptive's heir presumptive is his half-brother Lord Andrew Arthur George Hay (b. 1959).
The heir presumptive's heir presumptive 's heir apparent is his son Angus David George Hay (b. 1991).