Claim: John Roches married Willelma de la Mare and had three children.
Evidence: John Roche(s) married Willelma de la Mare (1365-1410) sole heiress of Robert de la Mare (1314-1382) of Steeple/Market Lavington, Wiltshire; by his wife Maud de Hastings (died 1405). They had 2 daughters: First co-heir Elizabeth Roche (1385-1447) married Walter Beauchamp (d 1430), son of William Beauchamp. They had a son, John Baynton (born 1406) who was the 2nd co-heir.