Joan Stewart1428 - 1493 Born 1428 Died Thu, 22 June 1493 Buried Dalkeith Palace, Dalkeith Details Parents Countess of Morton Joan Stewart Lived 64 years, 11 months, 21 days father James I 1394 - 1437 mother Joan Beaufort 1404 - 1445 Siblings Sister Marguerite d'Écosse 1424 - 1445 Sister Isabella of Scotland 1426 - 1494 Sister Mary Stewart 1427 - 1465 Brother James II 1430 - 1460 Brother Alexander Stewart 1430 Sister Eleanor of Scotland 1433 - 1480 Sister Annabella of Scotland 1436 - 1509