Stephen I (Baron of Richmond) Count of Brittany - Pedigree | FamilyCentral
 1065 - 21 Apr 1135
 Abt 999 - 7 Jan 1078/79
 Abt 1025 - Aft 1056
 Abt 980 - 20 Nov 1008
 Abt 975 - 21 Feb 1033/34
 Abt 1010 - 1053
 Abt 1018 - 21 Mar 1076
 28 Aug 933 - 20 Nov 996
 Abt 970 -
 Bef 903 - 970
 21 Jun 987 - 21 Jun 1040
 Abt 964 - 1 Apr 1046