 On 27 July 1411, he married Lady Isabel le Despenser, daughter of Thomas le Despenser, 1st Earl of Gloucester, and great-granddaughter of Edward III.They had one child, Lady Elizabeth de Beauchamp, later 3rd Baroness Bergavenny, who married Sir Edward Neville, later 1st Baron Bergavenny.He was joint Warden of the Welsh Marches in 1415, and a captain of lances and archers in Normandy in 1418.