DUNBAR, Patrick 'with the blak berd', 8th Earl of Dunbar, Sir ¹

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Patrick married Marjorie COMYN, daughter of Alexander COMYN 2nd Earl of Buchan, Guardian,Constable of Scotland and Elizabeth DE QUINCY.¹ (Marjorie COMYN was born about 1264.)

  Marriage Notes:

"According to the later edition of Douglas, this Earl married Marjorie Comyn, daughter of Alexander Comyn, Earl of Buchan, a statement founded on a letter, in 1400, by George, tenth Earl of March, to King Henry IV. of England, when the Earl claims that a Marjorie Comyn was his 'graunde dame ' or great-grandmother, and also states that she was 'full sister' of Alice Comyn, who, about 1306, married Sir Henry Beaumont and became great-grandmother of King Henry IV.

Wyntoun, in his metrical Cronykil states that 'the eldest' daughter, whom he does not name, of Alexander Comyn, Earl of Buchan, married a Patrick, Earl of Dunbar; but if she were Marjorie, she must have been the aunt and not the sister of Alice Comyn or Beaumont, and Earl George is so far wrong in his assertion. The eighth Earl is the only Earl Patrick whose date suits with a daughter of Alexander, Earl of Buchan, as they must have been contemporaries; but if Marjorie Cornyn were the wife of the eighth Earl, it seems impossible that she could have been the greatgrandmother on the father's side of George, tenth Earl of March. It may be assumed, however, that Wyntoun is right, that this Earl Patrick did marry a Comyn, but that Earl George made a mistake as to his relationship to her."

from Scots Peerage (vol 3) ^{1 2}