| Father | Robert Keith Marischal of Scotland (1363 - 1430) |
| Mother | Lady Matilda Urquhart of Troup, Baroness of Dunottar (1360 - 1413) |
| Sibling | Sir William de Keith Great Marischal of Scotland (1389 - 1464) |
| Sibling | Sir John Keith (1368 - ) |
| Sibling | Alexander Keith (1370 - ) |
| Sibling | Margaret Keith (1376 - 1419) |
| Sibling | Elizabeth Keith of Dunnottar (1376 - 1423) |
| Sibling | William Keith (1376 - 1476) |
| Sibling | Elizabeth Keith (1380 - 1456) |
| Sibling | Alexandar Keith (1381 - 1419) |
| Sibling | Christian Keith (1386 - ) |
| Sibling | Margaret de Keith (1390 - 1419) |
| Sibling | John Keith (1391 - 1463) |
| Sibling | Alexander Keith (1395 - 1414) |
| Sibling | Sir Alexander Keith (1395 - 1419) |
| Sibling | Christian Keith (1404 - 1489) |