John de la Roche (d) in 1252 held the barony of Roche as 1 1/3 fee of the Bohun share of the Earl Marshal's inheritance in co. Pembroke. He married Maud, niece of Thomas le Waleys, Bishop of St. David's (1248-55]. [Complete Peerage XI:42, (transcribed by Dave Utzinger)]
[d] Probably son or nephew of David. [CP lists him as if he were a son.]