Roger de [Earl of March] Mortimer - Pedigree | FamilyCentral
 11 Nov 1328 - 26 Feb 1359/60
 Abt 1306 - 16 Dec 1351
 Abt 1313 - 8 Jun 1356
 1275 - 14 Apr 1322
 1280/86 - 1333
 Abt 1248 - Feb 1287/88
 Abt 1249 - Aft 1309
 1250 - 1291