| Surname | GUELDRES** |
| CName | Mary |
| Generation | 16 |
| Birth | |
| Profession | |
| Death | |
| Notes | d. of Arnold Duke of Gueldres |
| Spouse | James STEUART (1430-1460) |
| Marriage | |
| Issue | David STEUART (-ob.inf.) Margaret STEUART (- ) Mary STEUART (-1488) Alexander STEUART** (-1485) James STEUART (1451-1488) John STEUART (1459-1479) |