Robert Bertram, Baron of Mitford - Pedigree | FamilyCentral
 23 Apr 1287 - Bef 7 Oct 1314
 Abt 1265 - Abt 1300
 1269 -
 24 Dec 1243 - Bef 10 Feb 1303
Family Group
 Abt 1219 - Bef 1262