Roger [Earl of March] Mortimer - Pedigree | FamilyCentral
 3 May 1287 - 29 Nov 1330
 1252 - 17 Jul 1304
 Abt 1262 - 7 Feb 1333/34
 1221 - 27 Oct 1282
 Abt 1109 - Bef 20 Mar 1301
 Abt 1245 - 11 Jul 1302
 Abt 1245 - 1302