Elizabeth FitzAlan English duchess (1366–1425) Parents Elizabeth de Bohun, Countess of Arundel Richard FitzAlan, 4th Earl of Arundel Children Thomas de Mowbray, 4th Earl of Norfolk Isabel de Mowbray Elizabeth Goushill Margaret de Mowbray Elizabeth de Mowbray John de Mowbray, 2nd Duke of Norfolk Joan Goushill Siblings Thomas FitzAlan, 5th Earl of Arundel Alice FitzAlan Joan de Beauchamp, Baroness Bergavenny Eleanor FitzAlan Lady Margaret FitzAlan John FitzAlan Partners William de Montacute Sir Robert Goushill Sir Gerard Usflete Thomas de Mowbray, 1st Duke of Norfolk