Catherine or Katherine Stewart or Stuart was born circa 1495 in Scotland, United Kingdom to James IV of Scotland (1473-1513) and Marion Boyd (c1470-1559) and died 1554 Scotland, United Kingdom of unspecified causes. She married James Douglas, 3rd Earl of Morton (-1548) . Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Henry II of England (1133-1189)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s, Robert I of Scotland (1274-1329)/s, Rollo of Normandy (860-932)/s.
|Offspring of James Douglas, 3rd Earl of Morton and Catherine Stewart (c1495-1554) ¢|
|Margaret Douglas (c1510-1579)||1510 Edinburgh, Midlothian, Scotland, United Kingdom||1579 Dunbar, West Lothian, Scotland, United Kingdom||James Hamilton, Duke of Châtellerault (c1516-1575)|
|Beatrix Douglas (-)|
|Lady Elizabeth Douglas||James Douglas (1516-1581)|