Sir Richard of Cornwall, who received a grant from his half-brother Edmund, 2nd Earl of Cornwall (d. 1300), in which he was called "brother". He married Joan, allegedly daughter of John FitzAlan III, and by her had three sons and a daughter. He was slain by an arrow at the Siege of Berwick in 1296. His daughter Joan of Cornwall married Sir John Howard, from whom the Howard family, Dukes of Norfolk, are descended.[20]