Family: George Douglas / Isabel Sibbald (F1417)
m. Bef 1446 | William Douglas (1398-1437) 
|
 | Margaret Hay (1398- )
|
| James Douglas (1418-1446) |
| William Douglas (1422-1475) |
| Hugh Douglas (1425- ) |
| Helen Douglas (1428- )  |
| Sir John Sibbald (1380- ) |
| George Douglas (1420-1463)
|
| Isabel Sibbald (1425- )
|
| Anne Douglas (1446- ) |
| Archibald Douglas (1448-1513) |
| John Douglas (1450- ) |
| Isabella Douglas (1452- ) |
| Elizabeth Douglas (1454- ) |
| Margaret Douglas (1456- ) |
| Jane Douglas (1458- ) |
| Egidia Douglas (1460- ) |
| Alison Douglas (1462- ) |