Beatrice de Stafford (1341-1415) (1341–1415) Parents Margaret de Audley Ralph de Stafford, 1st Earl of Stafford Children Elizabeth de Ros Thomas de Ros William de Ros, 6th Baron de Ros Margaret de Ros Robert de Ros John de Ros, 5th Baron de Ros Siblings Sir Ralph de Stafford Lady Elizabeth de Stafford Lady Joan de Stafford Catherine de Stafford Hugh de Stafford, 2nd Earl of Stafford Margaret Stafford Jane de Stafford Partners Maurice FitzGerald, 2nd Earl of Desmond Thomas de Ros, 4th Baron de Ros Richard Burley