Henry of Grosmont , Duke of Lancaster Plantagenet - Pedigree | FamilyCentral
 Abt 1300 - 24 Mar 1360/61
 Abt 1281 - 22 Sep 1345
 Abt 1282 - Bef 3 Dec 1322
 16 Jan 1244/45 - 5 Jun 1296
 Abt 1250 - Bef 7 Jul 1283
 1252 - Bef 30 May 1306