Family: 2nd Earl of Angus William Douglas / Lady of Yester Margaret Hay (F1531)
1st Earl of Angus George Douglas (1378-1412) 
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Lady Mary Stewart (1380-1458)
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| Sir, of Yester William Hay (1379-1421)
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| Alice (Unknown) (1386-1451) |
| 2nd Earl of Angus William Douglas (1402-1437)
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IV Earl of Angus George Douglas (1428- )  |
