Robert 3rd Baron de , Sir Scales - Pedigree | FamilyCentral
 Abt 1311 - 13 Aug 1369
 Abt 1279 - 20 Mar 1324/25
 Abt 1282 - 1 Oct 1335
 Abt 1250 - Bef 4 Sep 1305
 Abt 1252 - Bef 26 Jul 1333
 25 Mar 1250 - 28 Feb 1291/92
 1252 - 1 Oct 1328