Margaret Stewart, Countess of Mar

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Margaret Stewart, Countess of Mar, daughter of Sir John Stewart, Knt., 1st Earl of Angus and Margaret Abernethy, died before 22 November 1393.1

Margaret married (1) Sir William Douglas, Knt., 1st Earl of Douglas, son of Sir Archibald Douglas, Knt. and Beatrice Lindsay, before 13 November 1357;1 she married (2) Sir John de Swinton, Knt., whose ancestry is unknown (or not traced here), between 1385 and 27 July 1388.1

Family 1

Sir William Douglas, Knt., 1st Earl of Douglas b. abt. 1330, d. bef. 24 Apr 1384
  • Sir James Douglas, Knt., Earl of Douglas and Mar1
  • Isabella Douglas, Countess of Mar1 d. 1408

Family 2

Sir John de Swinton, Knt. d. 14 Sep 1402
This person was last edited on14 Jun 2021


  1. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families (Five vols., Salt Lake City, Utah: s.p., 2013), 3:150 (Groby 8.ii.b), further cited as Richardson, Royal Ancestry.