Nielsen Hayden genealogy
Geoffroi I of Brittany
Abt 980 - 1008 (~ 28 years)Drag or scroll to see more of the chart.
| Alain Fergant Abt 1066-1119 |
| Alain Fergant | |
| B: | Abt 1066 |
| D: | 13 Oct 1119 |
Constance 1061-1090 |
| Constance | |
| B: | 1061 |
| M: | 1086 |
| D: | 13 Aug 1090 |
| Constance of Brittany Abt 1162-1201 |
| Constance of Brittany | |
| B: | Abt 1162 |
| D: | 4 Sep 1201 |
| Nantes, Brittany, France | |
| Guy de Thouars Abt 1155-1213 |
| Guy de Thouars | |
| B: | Abt 1155 |
| M: | Bef Oct 1199 |
| D: | 13 Apr 1213 |
| Chemillé, France | |
| Conan IV Abt 1138-1171 |
| Conan IV | |
| B: | Abt 1138 |
| D: | 20 Feb 1171 |
| Margaret of Huntingdon Abt 1145-1201 |
| Margaret of Huntingdon | |
| B: | Abt 1145 |
| M: | 1160 |
| England | |
| D: | 1201 |
| Bertha of Brittany Abt 1119-1167 |
| Bertha of Brittany | |
| B: | Abt 1119 |
| D: | Between 1162 and 1167 |
| Alan III Bef 1100-1146 |
| Alan III | |
| B: | Bef 1100 |
| M: | Abt 1137 |
| D: | 15 Sep 1146 |
| Brittany, France | |
| Geldouin de Dol -Abt 1235 |
| Geldouin de Dol | |
| D: | Abt 1235 |
| Andre II de Vitré -1211 |
| Andre II de Vitré | |
| D: | Sep 1211 |
| Marguerite de Sablé -Aft 1238 |
| Marguerite de Sablé | |
| D: | Aft 20 Jul 1238 |
| Guillaume des Roches 1160-1222 |
| Guillaume des Roches | |
| B: | Between 1155 and 1160 |
| M: | Abt 1190 |
| D: | 15 Jul 1222 |
| Clémence de Mayenne -Bef 1190 |
| Clémence de Mayenne | |
| D: | Bef 1190 |
| Robert IV de Sablé -Abt 1195 |
| Robert IV de Sablé | |
| M: | Aft 1168 |
| D: | Abt 1195 |
| Palestine | |
| Constance of Brittany -1148 |
| Constance of Brittany | |
| D: | 1148 |
| Geoffroi II de Mayenne Abt 1135-1165 |
| Geoffroi II de Mayenne | |
| B: | Abt 1135 |
| M: | Abt 1135 |
| D: | 18 Feb 1165 |
| Conan III of Brittany Abt 1093-1148 |
| Conan III of Brittany | |
| B: | Abt 1093 |
| D: | 1148 |
| Maud fitz Roy | |
| M: | Bef 1113 |
| Alan la Zouche -1270 |
| Alan la Zouche | |
| B: | of Molton, Devon, England |
| D: | 10 Aug 1270 |
| Ellen de Quincy Abt 1222-Bef 1296 |
| Ellen de Quincy | |
| B: | Abt 1222 |
| Winchester, Hampshire, England | |
| M: | Bef 1242 |
| D: | Bef 20 Aug 1296 |
| Eudes la Zouche -1279 |
| Eudes la Zouche | |
| B: | of Harringworth, Northamptonshire, England |
| D: | Between 25 Apr 1279 and 25 Jun 1279 |
| Milicent de Cantelowe -Bef 1299 |
| Milicent de Cantelowe | |
| M: | Bef 24 Mar 1269 |
| D: | Bef 7 Jan 1299 |
| William la Zouche -Bef 1272 |
| William la Zouche | |
| B: | of King's Nympton, Devon, England |
| D: | Bef 3 Feb 1272 |
| Maud de Howbridge | |
| M: | Between 1242 and 1243 |
| Gilbert de Sanford -1249 |
| Gilbert de Sanford | |
| B: | of Great Hormead, Royston, Hertfordshire, England |
| D: | 1249 |
| William de Harcourt -Bef 1270 |
| William de Harcourt | |
| B: | of Stanton Harcourt, Oxfordshire, England |
| D: | Bef 5 Jul 1270 |
| Roger la Zouche Abt 1175-Bef 1238 |
| Roger la Zouche | |
| B: | Abt 1175 |
| of Black Torrington, Devon, England | |
| D: | Bef 14 May 1238 |
| Margaret Biset -Aft 1232 |
| Margaret Biset | |
| B: | of Kidderminster, Worcestershire, England |
| D: | Aft 15 Aug 1232 |
| Alan la Zouche -1190 |
| Alan la Zouche | |
| B: | of North Molton, Devon, England |
| D: | 1190 |
| Alice de Belmeis -Aft 1190 |
| Alice de Belmeis | |
| B: | of Tong, Shropshire, England |
| D: | Aft 1190 |
| Geoffrey de Porhoët 1092-1141 |
| Geoffrey de Porhoët | |
| B: | 1092 |
| D: | 1141 |
| Ermengarde of Anjou Abt 1066-Abt 1146 |
| Ermengarde of Anjou | |
| B: | Abt 1066 |
| M: | 1093 |
| D: | Abt 1146 |
| Hawise of Rennes Abt 1037-1072 |
| Hawise of Rennes | |
| B: | Abt 1037 |
| D: | 19 Aug 1072 |
| Hoël II of Cornouaille Abt 1031-1084 |
| Hoël II of Cornouaille | |
| B: | Abt 1031 |
| M: | 1066 |
| D: | 13 Apr 1084 |
| Alan III of Rennes 997-1040 |
| Alan III of Rennes | |
| B: | 997 |
| D: | 1 Oct 1040 |
| Vimoutiers, Normandy, France | |
| Bertha of Blois -Abt 1080 |
| Bertha of Blois | |
| D: | Abt 1080 |
| Yolande of Brittany 1218-1272 |
| Yolande of Brittany | |
| B: | 1218 |
| Dreux, France | |
| D: | 16 Oct 1272 |
| Château Bouteville, Angoumois, France | |
| Hugh XI "le Brun" de Lusignan Abt 1221-1250 |
| Hugh XI "le Brun" de Lusignan | |
| B: | Abt 1221 |
| M: | 1236 |
| D: | 1250 |
| Egypt | |
| Jean I 1217-1286 |
| Jean I | |
| B: | 1217 |
| D: | 8 Oct 1286 |
| Blanche de Champagne -1283 |
| Blanche de Champagne | |
| M: | 16 Jan 1235 |
| D: | 11 Aug 1283 |
| Alix de Thouars 1201-1221 |
| Alix de Thouars | |
| B: | 1201 |
| D: | 21 Oct 1221 |
| Pierre de Braine 1190-Abt 1250 |
| Pierre de Braine | |
| B: | Between 1187 and 1190 |
| M: | Mar 1213 |
| D: | Abt 28 May 1250 |
| At sea | |
| Constance of Brittany Abt 1162-1201 |
| Constance of Brittany | |
| B: | Abt 1162 |
| D: | 4 Sep 1201 |
| Nantes, Brittany, France | |
| Guy de Thouars Abt 1155-1213 |
| Guy de Thouars | |
| B: | Abt 1155 |
| M: | Bef Oct 1199 |
| D: | 13 Apr 1213 |
| Chemillé, France | |
| Conan IV Abt 1138-1171 |
| Conan IV | |
| B: | Abt 1138 |
| D: | 20 Feb 1171 |
| Margaret of Huntingdon Abt 1145-1201 |
| Margaret of Huntingdon | |
| B: | Abt 1145 |
| M: | 1160 |
| England | |
| D: | 1201 |
| Alan III Bef 1100-1146 |
| Alan III | |
| B: | Bef 1100 |
| D: | 15 Sep 1146 |
| Brittany, France | |
| Bertha of Brittany Abt 1119-1167 |
| Bertha of Brittany | |
| B: | Abt 1119 |
| M: | Abt 1137 |
| D: | Between 1162 and 1167 |
| Reynold I de Mohun Abt 1183-1213 |
| Reynold I de Mohun | |
| B: | Abt 1183 |
| of Dunster, Williton, Somerset, England | |
| D: | 1213 |
| Alice de Briwere -Aft 1239 |
| Alice de Briwere | |
| D: | Aft 1239 |
| William de Mohun Abt 1156-1193 |
| William de Mohun | |
| B: | Abt 1156 |
| of Dunster, Williton, Somerset, England | |
| D: | Oct 1193 |
| Lucy -Aft 1201 |
| Lucy | |
| D: | Aft 1201 |
| William de Mohun -1176 |
| William de Mohun | |
| B: | of Dunster, Williton, Somerset, England |
| D: | 1176 |
| Godehilde de Tony -Bef 1186 |
| Godehilde de Tony | |
| D: | Bef 1186 |
| William de Mohun Bef 1110-Aft 1142 |
| William de Mohun | |
| B: | Bef 1110 |
| of Dunster, Williton, Somerset, England | |
| D: | Aft 1142 |
| Roger de Mowbray Abt 1220-Bef 1263 |
| Roger de Mowbray | |
| B: | Abt 1220 |
| of Thirsk, Yorkshire, England | |
| D: | Bef 18 Oct 1263 |
| Maud de Beauchamp -Bef 1273 |
| Maud de Beauchamp | |
| B: | of Bedford, Bedfordshire, England |
| M: | Bef 1257 |
| D: | Bef 4 Apr 1273 |
| (Unknown) de Furnival | |
| M: | Aft 13 Apr 1238 |
| William de Mowbray -Bef 1224 |
| William de Mowbray | |
| B: | of the Isle of Axholme, Lincolnshire, England |
| D: | Bef 25 Mar 1224 |
| Nele de Mowbray -1191 |
| Nele de Mowbray | |
| B: | of Thirsk, Yorkshire, England |
| D: | 1191 |
| Acre, Palestine | |
| Mabel -Abt 1203 |
| Mabel | |
| M: | Bef Sep 1170 |
| D: | Abt 1203 |
| Roger de Mowbray -1188 |
| Roger de Mowbray | |
| M: | Abt 1145 |
| D: | 1188 |
| Palestine | |
| Robert de Welle -1264 |
| Robert de Welle | |
| D: | 1264 |
| Isabel de Periton -Bef 1315 |
| Isabel de Periton | |
| D: | Bef 5 Jan 1315 |
| William de Welle -1242 |
| William de Welle | |
| D: | Between 1241 and 1242 |
| Emma de Grainsby -Aft 1226 |
| Emma de Grainsby | |
| M: | Bef 1208 |
| D: | Aft 30 Sep 1226 |
| Robert de Welle -Bef 1206 |
| Robert de Welle | |
| D: | Bef 29 Sep 1206 |
| Maud -Aft 1206 |
| Maud | |
| D: | Aft 29 Sep 1206 |
| William -Bef 1198 |
| William | |
| D: | Bef 1198 |
| Robert de Gant -1191 |
| Robert de Gant | |
| B: | of Folkingham, Bourne, Lincolnshire, England |
| D: | 1191 |
| Alice Paynell -Bef 1180 |
| Alice Paynell | |
| M: | Bef 10 Aug 1152 |
| D: | Bef 1180 |
| Henry de Armenters -Bef 1256 |
| Henry de Armenters | |
| D: | Bef 1256 |
| Peter de Mauley 1249-1308 |
| Peter de Mauley | |
| B: | 22 Jul 1249 |
| of Mulgrave, Yorkshire, England | |
| M: | Bef 1274 |
| D: | 6 Sep 1308 |
| Margaret de Gant -Bef 1298 |
| Margaret de Gant | |
| D: | Bef 1298 |
| William de Kerdeston -Abt 1324 |
| William de Kerdeston | |
| D: | Abt 1324 |
| Gilbert de Gant -1274 |
| Gilbert de Gant | |
| B: | of Folkingham, Bourne, Lincolnshire, England |
| D: | 5 Jan 1274 |
| Folkingham, Bourne, Lincolnshire, England | |
| Gilbert de Gant Abt 1180-Bef 1242 |
| Gilbert de Gant | |
| B: | Abt 1180 |
| of Folkingham, Bourne, Lincolnshire, England | |
| D: | Bef 22 Jan 1242 |
| Walter de Gant -1139 |
| Walter de Gant | |
| B: | of Folkingham, Bourne, Lincolnshire, England |
| M: | Bef 1120 |
| D: | 1139 |
| Bardney Abbey, Yorkshire, England | |
| Thomas de Clinton -Bef 1278 |
| Thomas de Clinton | |
| B: | of Coleshill, Warwickshire, England |
| D: | Bef 12 Jan 1278 |
| Osbert de Clinton -Bef 1232 |
| Osbert de Clinton | |
| B: | of Coleshill, Warwickshire, England |
| D: | Bef 1232 |
| Elysont -Aft 1231 |
| Elysont | |
| D: | Aft 1231 |
| Osbert de Clinton -Bef 1221 |
| Osbert de Clinton | |
| B: | of Coleshill, Warwickshire, England |
| D: | Bef 1221 |
| Rabel de Tancarville -1140 |
| Rabel de Tancarville | |
| B: | of Tancarville, Normandy, France |
| D: | 1140 |
| Raoul de Fougères -1256 |
| Raoul de Fougères | |
| D: | 24 Feb 1256 |
| Isabel de Craon Aft 1223-Aft 1275 |
| Isabel de Craon | |
| B: | Aft 1223 |
| M: | Feb 1234 |
| D: | Aft 15 Jan 1275 |
| Geoffroi de Fougères -1212 |
| Geoffroi de Fougères | |
| D: | 1212 |
| Mathilde of Porhoët -Bef 1231 |
| Mathilde of Porhoët | |
| D: | Bef 1231 |
| Guillaume de Fougères -1187 |
| Guillaume de Fougères | |
| D: | 1187 |
| Raoul II de Fougères -1194 |
| Raoul II de Fougères | |
| D: | Between 1191 and 1194 |
| Olive of Brittany -Aft 1173 |
| Olive of Brittany | |
| D: | Aft 1173 |
| Henri de Fougères -Abt 1150 |
| Henri de Fougères | |
| D: | Abt 1150 |
| Savigny Abbey, Normandy, France | |
| Stephen of Brittany -1135 |
| Stephen of Brittany | |
| D: | 21 Apr 1135 |
| Hawise -Aft 1135 |
| Hawise | |
| D: | Aft 1135 |
| Eudon of Brittany 999-1079 |
| Eudon of Brittany | |
| B: | 999 |
| D: | 7 Jan 1079 |
| Orguen -Aft 1056 |
| Orguen | |
| D: | Aft 1056 |
| Avice de Lascelles -Bef 1261 |
| Avice de Lascelles | |
| D: | Bef 1261 |
| Thomas de Maunby -Bef 1239 |
| Thomas de Maunby | |
| D: | Bef 20 Jan 1239 |
| Robert de Lascelles -Bef 1245 |
| Robert de Lascelles | |
| B: | of Fulstow, Lincolnshire, England |
| D: | Bef 1245 |
| Emma | |
| M: | Bef 2 Nov 1208 |
| Roger de Lascelles Abt 1160-Bef 1217 |
| Roger de Lascelles | |
| B: | Abt 1160 |
| D: | Bef 16 Mar 1217 |
| Picot de Lascelles -1179 |
| Picot de Lascelles | |
| B: | of Thrintoft, Yorkshire, England |
| D: | Between 1167 and 1179 |
| Thomas de Burgh -1284 |
| Thomas de Burgh | |
| B: | of Burrough Green, Newmarket, Cambridgeshire, England |
| D: | 1284 |
| Philip de Burgh -1235 |
| Philip de Burgh | |
| B: | of Burrough Green, Newmarket, Cambridgeshire, England |
| D: | 1235 |
| Thomas de Burgh -1199 |
| Thomas de Burgh | |
| B: | of Burrough Green, Newmarket, Cambridgeshire, England |
| D: | 1199 |
| Philip de Burgh -1164 |
| Philip de Burgh | |
| B: | of Burrough Green, Newmarket, Cambridgeshire, England |
| D: | 1164 |
| Garsenia Musard -Aft 1152 |
| Garsenia Musard | |
| D: | Aft 1152 |
| Roald fitz Harscod -1158 |
| Roald fitz Harscod | |
| D: | Between 1152 and 1158 |
| Enisan Musard -1130 |
| Enisan Musard | |
| D: | Between 1121 and 1130 |
|
| Geoffroi I of Brittany Abt 980-1008 |
| Geoffroi I of Brittany | |
| B: | Abt 980 |
| D: | 20 Nov 1008 |
| Hawise of Normandy -1034 |
| Hawise of Normandy | |
| M: | Between 996 and 999 |
| D: | 21 Feb 1034 |