William Douglas, 1st Earl of Douglas

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William Douglas
Earl of Douglas
Seal of William Douglas, 1st Earl of Douglas.
Tenure	26 January 1358 – 1 May 1384
Predecessor	New Creation
Successor	James Douglas, 2nd Earl of Douglas
Other titles	Earl of Mar Lord of Liddesdale
Born	c. 1323 Douglas, Lanarkshire, Scotland
Died	1 May 1384 (aged 60–61) Douglas, Lanarkshire, Scotland
Buried	1384 Melrose Abbey[1]
Nationality	Scottish
Residence	Hermitage Castle Tantallon Castle
Noble family	Clan Douglas
Spouse(s)	Margaret, Countess of Mar
Issue	James Douglas, 2nd Earl of Douglas Isabel Douglas, Countess of Mar George Douglas, 1st Earl of Angus (illegitimate) Lady Margaret Douglas (illegitimate)
Parents	Sir Archibald Douglas Beatrice de Lindsay

William Douglas, 1st Earl of Douglas (c. 1323 – 1 May 1384) was a Scottish nobleman, peer, magnate, and head of the Black Douglas family. Under his leadership, the Black Douglases continued their climb to pre-eminence in Scottish politics begun under his uncle, Sir James the Good, as well as their military dominance of the south of Scotland.