 He married Amy Vyvyan, daughter of Sir Vyell Vyvyan of Treviddren, Cornwall.Walter de Stapeldon, Bishop of Exeter, granted to "Sir Bartholomew
and his wife Amy" a licence for the celebration of divine service "in capella sua de Bydeforde" ("in his chapel of Bideford").Henry de Grenville (died 1327) (son), who married Ann Wortham, daughter and heiress of the family of Wortham, near Lifton, Devon.