Joan de Grey, Baroness Bassett - Pedigree | FamilyCentral
 Abt 1283 - Bef 5 Apr 1353
 1268 - 28 Oct 1323
 Abt 1268 - Abt 1323/24
 Abt 1240 - 20 Dec 1287
 Abt 1248 -