Family: 1st Earl of Angus George Douglas / Lady Mary Stewart (F1526)
 | 1st Earl of Douglas-Mar William Douglas (1327-1384) 
|
Countess of Angus Margaret Stewart ( -1417)
|
 | King of Scots Robert III of Scotland (1337-1406)
|
 | Anabella Drummond (1350-1401)
|
 | King of Scots James I of Scotland (1394-1437)  |
| Duke of Rothesay David Stewart (1378-1402) |
| Margaret Stewart ( -1451) |
| 1st Earl of Angus George Douglas (1378-1412)
|
| Lady Mary Stewart (1380-1458)
|
| 2nd Earl of Angus William Douglas (1402-1437) |
