Thomas de Mowbray, 1st Duke of Norfolk English peer (1366-1399) (1366–1399) Parents Elizabeth Segrave John de Mowbray, 4th Baron Mowbray Children Thomas de Mowbray, 4th Earl of Norfolk Margaret de Mowbray Elizabeth de Mowbray Isabel de Mowbray John de Mowbray, 2nd Duke of Norfolk Siblings Eleanor de Mowbray John de Mowbray, 1st Earl of Nottingham Joan Mowbray Margaret de Mowbray Partners Elizabeth FitzAlan Elizabeth Lestrange, Baroness Strange (of Blackmere)
