Arms of Beauchamp of Hatch: Vair, as blazoned on the Collins Roll.[1] These arms suggest that the family of Beauchamp of Hatch was unrelated to the family of Beauchamp, Earls of Warwick from 1267, which bore arms: Gules, a fesse between six cross crosslets or.[2]
He married Margaret St John, the daughter of John St John, 1st Baron St John of Basing, Hampshire and his wife Isabel Courtenay. By Margaret, Beauchamp had three sons and three daughters: