Geoffroy IV De Dinan 
Geoffroy IV De was born about 1270. Geoffroy IV De's father was Roland II De Dinan and his mother is Anne De Leon. His paternal grandfather was Geoffroy III De Dinan and his paternal grandmother is Nm De Coetmen; his maternal grandfather was Herve IV De Leon and his maternal grandmother is Catherine De Laval. He was an only child. He died on March 9th, 1312.General Notes
SOURCES: "Ancestors/Descendants of Randall Brereton" http://www.geneastar.org,
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Ancestor Pedigree Chart
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*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)
- b.~ 1225 d.< 1260
- b.~ 1248 d.1319
- b.~ 1156 d.1231
- b.~ 1185 d.> 1260
- b.~ 1208 d.< 1311
- b.~ 1150 d.1223
- b.~ 1185
- b.~ 1168
- b.~ 1230
- b.1207 d.1311
- b.~ 1270 d.09 Mar 1312
- b.~ 1168 d.1208
- b.~ 1183 d.23 Nov 1218
- b.~ 1155
- b.~ 1200 d.1241
- b.~ 1183
- b.~ 1225 d.~ 1281
- b.~ 1206
- b.~ 1252
- b.~ 1133 in Montmorency, Seine-Et-Oise, France d.1189
- b.1174
- b.~ 1150 in Hainaut, Belgium d.09 Aug 1181
- b.~ 1215 d.1267
- b.~ 1162 d.1210
- b.~ 1199 d.24 Apr 1264
- b.~ 1172
- b.~ 1228
- b.~ 1150 d.1223
- b.~ 1180 d.08 Feb 1251 in Mansourah, Egypt
- b.~ 1155
- b.~ 1213 d.16 Sep 1254 in Paris, France
- b.~ 1155 d.12 Apr 1213 in Chemile
- b.~ 1196
- b.~ 1161 d.05 Sep 1225 in Nantes (Brittainy-France)
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They had a son named Roland III De+.