| Father | James Stewart I King of Scotland (1394 - ) |
| Mother | Queen Consort of Scotland Joan Beaufort (1404 - 1445) |
| Sibling | Sir John Stewart IX, 1st Earl of Atholl (1440 - 1512) |
| Sibling | Mary Stewart, 1st Countess of Buchan ( - 1465) |
| Sibling | James 'Hearty James' 1st Earl Of Buchan Stewart (1442 - 1499) |
| Sibling | Eleanor Stewart Archduchess of Austria (1434 - 1480) |
| Sibling | Lady Anabella Stewart Princess of Scotland (1432 - 1509) |
| Sibling | Alexander Stewart Duke of Rothesay (1430 - 1430) |
| Sibling | King James II Stewart of Scotland (1430 - 1460) |