Geoffrey Prince of England, Duke of Brittany - Pedigree | FamilyCentral
 23 Sep 1158 - 19 Aug 1186
 5 Mar 1133 - 6 Jul 1189
 1121/22 - 31 Mar 1204
 24 Aug 1113 - 7 Sep 1151
 Bef 5 Aug 1102 - 10 Sep 1169
 1099 - 19 Apr 1137
 Abt 1103 - Aft Mar 1130
 1092 - 10 Nov 1143
 Abt 1079/80 - 1 May 1118
 22 Oct 1071 - 10 Feb 1126/27
 Abt 1073 - 28 Nov 1117
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