William La Zouche, Baron Zouche of Haryngworth - Pedigree | FamilyCentral
 25 Dec 1321 - 23 Apr 1382
  - 24 Apr 1326
  - Bef Jan 1359
 18/21 Dec 1276 - 11/12 Mar 1351/52
Family Group
 Abt 1244 - Bef 25 Jun 1279
 Abt 1250 - Bef 7 Jan 1298
 Abt 1203 - 10 Aug 1270
 Abt 1222 - Bef 20 Aug 1296
 Abt 1216 - 25 Sep 1254
 Abt 1220 - Bef 28 Jul 1255