 By whichever wife Sir William Prouz had a daughter and heiress Alis Prouse (1286-1335), who married Roger Mules (d.1323) after his marriage seated at Lustleigh.Sir William le Prouz ordered in his will to be buried amongst his ancestors at Lustleigh, but was in fact buried at Holberton.When his daughter Alice became aware of this error, she obtained permission from John de Grandisson (died 1369), Bishop of Exeter (1327-1369), to exhume the body and re-bury it at Lustleigh.