Margaret de Mowbray was born 1388 to Thomas de Mowbray, 1st Duke of Norfolk (1366-1399) and Elizabeth FitzAlan (1366-1425) and died 1459 of unspecified causes. She married Robert Howard (1384-1436) 1417 JL . William I of England (1027-1087), Henry II of England (1133-1189), 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, Rollo of Normandy (860-932)/s.
|Offspring of Margaret de Mowbray and Robert Howard (1384-1436)|
|Katherine Howard (-c1478)||1414||29 June 1478||Edward Neville, 3rd Baron Bergavenny (c1417-1476)|
|John Howard, 1st Duke of Norfolk (c1420-1485)||1420||22 August 1485 Bosworth Field||Catherine Moleyns (1424-1465) Catherine Moleyns (1424-1465) Margaret Chedworth (1436-1494)|