S & G's Database of British and European Families
| Geoffrey V Plantagenet Born: 1113 Died: 1151 | Home/Search |
| Father: Fulk V 'the younger' of Anjou (c. 1092-1144) Mother: Aremburga of la Fleche ( -c. 1126) |
| Married: 1128 in Le Mans Cathedral, Anjou to Matilda (1102-1167) |
| Siblings: Sybilla of Anjou (c. 1114-1165) ** Amaury of Anjou (1135-1174) ** Helias of Maine (c. 1115- ) |
| Children: Hamelin Plantagenet of Anjou (c. 1129-1202) ** HENRY II (1133-1189) ** Guillaume I de Tournemine (1136-1164) |
| Notes: Count of Anjou. |
| • Matilda Born: 1102 in Winchester or London Died: 1167 in the Abbey of Notre Dame of Pres, near Rouen, Normandy | Home/Search |
| Etienne I of Brittany Born: c. 1064 Died: 1137 | Home/Search |
| Father: Eudon of Brittany (Penthievre) (999-1079) Mother: Agnes of Cornuaille |
| Partner: Havise of Guincamp (c. 1075-aft. 1135) |
| Siblings: Bardolf FitzEudes (c. 1040-1120) ** Tihern (Briant I) de Chateaubriant (c. 1020- ) |
| Children: Alain II of Treguier ( -1146) ** Geoffrey II Botterel ( -1148) ** Oliva of Penthievre (bef. 1117- ) ** Henri I de Treguier (c. 1110-1183) ** Theophanie de Penthievre ( -c. 1115) ** Maud of Penthievre (Brittany) ( -1139) ** Agnorie de Penthievre (c. 1100-1167) ** Marguerite de Penthievre ( -aft. 1136) |
| Notes: Count of Treguier and Lamballe. |
| Havise of Guincamp Born: c. 1075 Died: aft. 1135 | Home/Search |
| • Conan IV of Brittany Born: aft. 1137 Died: 1171 | Home/Search |
| Father: Alain II of Treguier ( -1146) Mother: •Berthe of Brittany ( -c. 1161) |
| Married: c. 1159 to Margaret of Huntingdon (c. 1140-1201) |
| Siblings: Brian FitzAlan ** Constance of Brittany (1140-1184) ** Eudon III de Porhoet (c. 1148-1234) ** Amicie de Porhoet (c. 1150- ) |
| Children: Constance of Brittany (c. 1161-1201) |
| Notes: Duke of Brittany. |
| Margaret of Huntingdon Born: c. 1140 Died: 1201 | Home/Search |
| Father: Henry MacCrinan of Huntingdon (c. 1114-1152) Mother: Ada of Warenne ( -c. 1178) |
| Married: c. 1159 to Conan IV of Brittany (aft. 1137-1171) |
| Siblings: David of Scotland 'Etherington' (c. 1148-1219) ** WILLIAM I "the Lion" MacCrinan (c. 1143-1214) ** Ada of Huntingdon (aft. 1139-aft. 1206) ** Margaret of Scotland (c. 1144-c. 1201) |
| Children: Constance of Brittany (c. 1161-1201) |
| Notes: Countess of Hereford. |
| Geoffrey II Botterel Died: 1148 | Home/Search |
| Father: Etienne I of Brittany (c. 1064-1137) Mother: Havise of Guincamp (c. 1075-aft. 1135) |
| Siblings: Alain II of Treguier ( -1146) ** Oliva of Penthievre (bef. 1117- ) ** Henri I de Treguier (c. 1110-1183) ** Theophanie de Penthievre ( -c. 1115) ** Maud of Penthievre (Brittany) ( -1139) ** Agnorie de Penthievre (c. 1100-1167) ** Marguerite de Penthievre ( -aft. 1136) |
| Children: Hamon Boterel |
| Notes: Count of Penthievre. |
| Henri I de Fougeres Born: c. 1095 Died: 1154 | Home/Search |
| Father: Raoul I de Fougeres (b. Abt. 1070 d. 1124) Mother: Avoise de Brionne (c. 1075- ) |
| Married: to Oliva of Penthievre (bef. 1117- ) |
| Children: Rudolf II of Fougeres (bef. 1135- ) ** Anne de Fougeres (c. 1120- ) |
| Notes: Seigneur de Fougeres. Il s'est fait religieux a Savigne avec le consentement de sa femme. |
| Oliva of Penthievre Born: bef. 1117 | Home/Search |
| Henri I de Treguier Born: c. 1110 Died: 1183 | Home/Search |
| Father: Etienne I of Brittany (c. 1064-1137) Mother: Havise of Guincamp (c. 1075-aft. 1135) |
| Married: to Mahaut de Vendome (1132-1201) |
| Siblings: Alain II of Treguier ( -1146) ** Geoffrey II Botterel ( -1148) ** Oliva of Penthievre (bef. 1117- ) ** Theophanie de Penthievre ( -c. 1115) ** Maud of Penthievre (Brittany) ( -1139) ** Agnorie de Penthievre (c. 1100-1167) ** Marguerite de Penthievre ( -aft. 1136) |
| Children: Nobilis de Treguier (aft. 1151-c. 1208) ** Conan I de la Roche Derrien (c. 1160-aft. 1202) ** Alix de Penthievre (c. 1170- ) ** Geslin de Penthievre (c. 1156-1231) ** Alain de Penthievre (c. 1154-1212) |
| Notes: Comte de Treguier & Guingamp, sire de La Roche-Derrien. |
| Mahaut de Vendome Born: 1132 Died: 1201 | Home/Search |
| Guillaume II de Tancarville Born: aft. 1128 Died: c. 1190 | Home/Search |
| Father: Rabel de Tancarville (c. 1100-1139) Mother: Agnes Stigand de Medizon |
| Married: to Theophanie de Penthievre ( -c. 1115) |
| Children: Guillaume III de Tancarville (c. 1150-1214) |
| Notes: Died in Palestine. Chambellan Hereditaire de Normandie. |
| Theophanie de Penthievre Died: c. 1115 | Home/Search |
| Walter of Gant or Gaunt Died: 1138 | Home/Search |
| Father: Gilbert of Gaunt (Gant) ( -c. 1095) Mother: Alice of Montfort |
| Married: bef. 1120 to Maud of Penthievre (Brittany) ( -1139) |
| Siblings: daughter de Gant (c. 1070- ) ** Hugh of Gant ** Emma of Gaunt ** Agnes de Gant (1067- ) ** Robert de Montfort |
| Children: Alice/Agnes of Ga(u)nt (c. 1096- ) ** Alice of Gant (c. 1120- ) ** daughter of Gant ** Robert de Gaunt (1122- ) |
| Maud of Penthievre (Brittany) Died: 1139 | Home/Search |
| Agnorie de Penthievre Born: c. 1100 Died: 1167 | Home/Search |
| Father: Etienne I of Brittany (c. 1064-1137) Mother: Havise of Guincamp (c. 1075-aft. 1135) |
| Married: to Olivier de Dinan, vicomte de Dinan Nord |
| Siblings: Alain II of Treguier ( -1146) ** Geoffrey II Botterel ( -1148) ** Oliva of Penthievre (bef. 1117- ) ** Henri I de Treguier (c. 1110-1183) ** Theophanie de Penthievre ( -c. 1115) ** Maud of Penthievre (Brittany) ( -1139) ** Marguerite de Penthievre ( -aft. 1136) |
| Children: Geoffroy de Dinan (c. 1121-1167) |
| Marguerite de Penthievre Died: aft. 1136 | Home/Search |
| Father: Etienne I of Brittany (c. 1064-1137) Mother: Havise of Guincamp (c. 1075-aft. 1135) |
| Married: to Pierre de Kergorlay |
| Siblings: Alain II of Treguier ( -1146) ** Geoffrey II Botterel ( -1148) ** Oliva of Penthievre (bef. 1117- ) ** Henri I de Treguier (c. 1110-1183) ** Theophanie de Penthievre ( -c. 1115) ** Maud of Penthievre (Brittany) ( -1139) ** Agnorie de Penthievre (c. 1100-1167) |
| Children: Herve de Kergorlay ( -aft. 1193) |
| Guillaume II de Montfort-le-Hede Born: c. 1145 | Home/Search |
| Father: Guillaume I de Montfort-le-Hede (c. 1115-1157) |
| Married: to Amicie de Porhoet (c. 1150- ) |
| Children: Guillaume de Montfort (c. 1185-aft. 1214) ** Geoffroi de Montfort-le-Hede (c. 1180- ) |
| • Guillaume I de Tournemine Born: 1136 Died: 1164 | Home/Search |
| Father: Geoffrey V Plantagenet (1113-1151) Mother: •Matilda (1102-1167) |
| Married: c. 1155 to Constance of Brittany (1140-1184) |
| Siblings: Hamelin Plantagenet of Anjou (c. 1129-1202) ** HENRY II (1133-1189) |
| Children: Geoffroi I de Tournemine (c. 1160-bef. 1214) |
| • Geoffroi I de Tournemine Born: c. 1160 Died: bef. 1214 | Home/Search |
| Father: •Guillaume I de Tournemine (1136-1164) Mother: •Constance of Brittany (1140-1184) |
| Married: to Edith de Lamballe |
| Siblings: Margilie (Alix) de Rohan (c. 1165- ) ** Alain IV of Rohan (1165-1205) ** Constance de Rohan (c. 1180- ) |
| Children: Olivier I de Tournemine (c. 1181-1252) |
| Alice (Eladis/Adelaide) de l'Aigle Born: c. 1180 Died: 1216 | Home/Search |
| Father: Richard (Richer) de l'Aigle (c. 1135-c. 1180) Mother: Adeline de Sainte-Suzanne |
| Married: to Alain de Penthievre (c. 1154-1212) |
| Children: Geoffroy de Penthievre (c. 1210- ) |
| Alain II de Rohan Born: c. 1110 Died: aft. 1168 | Home/Search |
| Father: Alain I de Rohan (c. 1085-1128) Mother: Villana de Castille (c. 1085- ) |
| Siblings: Jean de Rohan (c. 1120- ) |
| Children: Marguerite de Rohan (c. 1155- ) ** Alain III of Rohan (c. 1135-1195) |
| Conan I de la Roche Derrien Born: c. 1160 Died: aft. 1202 | Home/Search |
| • Olivier I de Tournemine Born: c. 1181 Died: 1252 | Home/Search |
| Father: •Geoffroi I de Tournemine (c. 1160-bef. 1214) Mother: Edith de Lamballe |
| Married: to Sibylle de Chateaubriant (c. 1175- ) |
| Children: Geoffroi II de Tournemine (c. 1205-c. 1270) |
| Notes: Seigneur de Hunaudaye. |
| Sibylle de Chateaubriant Born: c. 1175 | Home/Search |
| Father: Briant IV de Chateaubriant (c. 1115-c. 1186) Mother: Agathe |
| Married: to Olivier I de Tournemine (c. 1181-1252) |
| Siblings: Geoffroi II de Chateaubriant (c. 1160-1222) |
| Children: Geoffroi II de Tournemine (c. 1205-c. 1270) |
| • Conan de Leon Born: c. 1184 | Home/Search |
| Father: Guiomarch de Leon ( -1238) Mother: •Margilie (Alix) de Rohan (c. 1165- ) |
| Married: to Alix de Penthievre (c. 1170- ) |
| Children: Guiomarch de Leon ( -aft. 1238) |
| Notes: Vicomte de Leon. Fondateur de Beauport. |
| Alix de Penthievre Born: c. 1170 | Home/Search |
| Geslin de Penthievre Born: c. 1156 Died: 1231 | Home/Search |
| Father: Henri I de Treguier (c. 1110-1183) Mother: Mahaut de Vendome (1132-1201) |
| Married: to vicomtesse de Tonquedec |
| Siblings: Nobilis de Treguier (aft. 1151-c. 1208) ** Conan I de la Roche Derrien (c. 1160-aft. 1202) ** Alix de Penthievre (c. 1170- ) ** Alain de Penthievre (c. 1154-1212) |
| Children: Alain de Coetmen (c. 1200-aft. 1260) |
| Notes: Vicomte de Tonquedec. |
| Alain de Penthievre Born: c. 1154 Died: 1212 | Home/Search |
| Father: Henri I de Treguier (c. 1110-1183) Mother: Mahaut de Vendome (1132-1201) |
| Married: to Alice (Eladis/Adelaide) de l'Aigle (c. 1180-1216) |
| Siblings: Nobilis de Treguier (aft. 1151-c. 1208) ** Conan I de la Roche Derrien (c. 1160-aft. 1202) ** Alix de Penthievre (c. 1170- ) ** Geslin de Penthievre (c. 1156-1231) |
| Children: Geoffroy de Penthievre (c. 1210- ) |
| Notes: Comte d'Avaugour. |
| • Brian FitzAlan | Home/Search |
| Father: Alain II of Treguier ( -1146) Mother: •Berthe of Brittany ( -c. 1161) |
| Siblings: Conan IV of Brittany (aft. 1137-1171) ** Constance of Brittany (1140-1184) ** Eudon III de Porhoet (c. 1148-1234) ** Amicie de Porhoet (c. 1150- ) |
| Children: Alan FitzBrian ( -1189) |
| Notes: Of Bedale. |
| • Amicie de Porhoet Born: c. 1150 | Home/Search |
| Alain III of Rohan Born: c. 1135 Died: 1195 | Home/Search |
| Father: Alain II de Rohan (c. 1110-aft. 1168) |
| Married: aft. 1164 to Constance of Brittany (1140-1184) |
| Siblings: Marguerite de Rohan (c. 1155- ) |
| Children: Margilie (Alix) de Rohan (c. 1165- ) ** Alain IV of Rohan (1165-1205) ** Constance de Rohan (c. 1180- ) |
| Notes: Viscount of Rohan. Son of Alain II of Rohan. |
| • Constance of Brittany Born: 1140 Died: 1184 | Home/Search |
| Father: Alain II of Treguier ( -1146) Mother: •Berthe of Brittany ( -c. 1161) |
| Married: c. 1155 to Guillaume I de Tournemine (1136-1164) ** aft. 1164 to Alain III of Rohan (c. 1135-1195) |
| Siblings: Conan IV of Brittany (aft. 1137-1171) ** Brian FitzAlan ** Eudon III de Porhoet (c. 1148-1234) ** Amicie de Porhoet (c. 1150- ) |
| Children: Geoffroi I de Tournemine (c. 1160-bef. 1214) ** Margilie (Alix) de Rohan (c. 1165- ) ** Alain IV of Rohan (1165-1205) ** Constance de Rohan (c. 1180- ) |
| Guiomarch de Leon Died: 1238 | Home/Search |
| Father: Guyomarch IV de Leon (c. 1130-1179) Mother: Nobilis de Treguier (aft. 1151-c. 1208) |
| Married: to Margilie (Alix) de Rohan (c. 1165- ) |
| Siblings: Leonore de Leon (c. 1165- ) ** Ennoguen de Leon ** Herve I de Leon (c. 1165-bef. 1216) ** Berthe de Leon (bef. 1179- ) |
| Children: Conan de Leon (c. 1184- ) |
| Notes: Vicomte de Leon. |
| • Margilie (Alix) de Rohan Born: c. 1165 | Home/Search |
| Father: Alain III of Rohan (c. 1135-1195) Mother: •Constance of Brittany (1140-1184) |
| Married: to Guiomarch de Leon ( -1238) |
| Siblings: Alain IV of Rohan (1165-1205) ** Constance de Rohan (c. 1180- ) ** Geoffroi I de Tournemine (c. 1160-bef. 1214) |
| Children: Conan de Leon (c. 1184- ) |
| • Guiomarch de Leon Died: aft. 1238 | Home/Search |
| Father: •Conan de Leon (c. 1184- ) Mother: Alix de Penthievre (c. 1170- ) |
| Married: to Marie de Penthievre |
| Children: Herve de Leon ( -c. 1264) |
| Notes: Vicomte de Leon. |
| Geoffroy de Penthievre Born: c. 1210 | Home/Search |
| Father: Alain de Penthievre (c. 1154-1212) Mother: Alice (Eladis/Adelaide) de l'Aigle (c. 1180-1216) |
| Children: Geoffroi de Quintin (c. 1240-c. 1293) ** Catherine de Quintin |
| Notes: Seigneur de Quintin. |
| • Guillaume de Montfort Born: c. 1185 Died: aft. 1214 | Home/Search |
| Father: Guillaume II de Montfort-le-Hede (c. 1145- ) Mother: •Amicie de Porhoet (c. 1150- ) |
| Married: to Nine de Rostrenen |
| Siblings: Geoffroi de Montfort-le-Hede (c. 1180- ) |
| Children: Mahaud de Montfort (c. 1214-1279) |
| Notes: Seigneur de Montfort. |
| • Geoffroi de Montfort-le-Hede Born: c. 1180 | Home/Search |
| Father: Guillaume II de Montfort-le-Hede (c. 1145- ) Mother: •Amicie de Porhoet (c. 1150- ) |
| Married: to Gervaise de Saie (Sace) |
| Siblings: Guillaume de Montfort (c. 1185-aft. 1214) |
| Children: Mathilde de Montfort-le-Hede (c. 1235-1279) ** Raoul IV de Montfort |
| • Alain IV of Rohan Born: 1165 Died: 1205 | Home/Search |
| Father: Alain III of Rohan (c. 1135-1195) Mother: •Constance of Brittany (1140-1184) |
| Married: to Mabille of Vannes |
| Siblings: Margilie (Alix) de Rohan (c. 1165- ) ** Constance de Rohan (c. 1180- ) ** Geoffroi I de Tournemine (c. 1160-bef. 1214) |
| Children: Alain V of Rohan ( -1242) |
| Notes: Viscount of Rohan. |
| • Alain V of Rohan Died: 1242 | Home/Search |
| Father: •Alain IV of Rohan (1165-1205) Mother: Mabille of Vannes |
| Married: to Alienor of Porhoet (daughter of Eudon III of Porhoet, d. 1234) |
| Children: Alain VI of Rohan (1232-1304) |
| Notes: Viscount of Rohan. |
| Roland de Dinan Born: bef. 1167 Died: 1266 | Home/Search |
| Father: Geoffroy de Dinan (c. 1121-1167) Mother: Muriel de Poudouvre |
| Married: to Agnes de Corron |
| Siblings: Oliver III de Dinham (Dinan) ( -c. 1183) |
| Children: Raoul de Dinan ( -1295) ** Geoffroy de Dinan (c. 1200-bef. 1266) ** Marguerite de Dinan (c. 1210- ) |
| Notes: Seigneur de Corron. |
| • Geoffroi II de Tournemine Born: c. 1205 Died: c. 1270 | Home/Search |
| Father: •Olivier I de Tournemine (c. 1181-1252) Mother: Sibylle de Chateaubriant (c. 1175- ) |
| Married: to Julienne |
| Children: Pierre I de Tournemine (c. 1230- ) ** Alice de Tournemine (c. 1225- ) |
| Notes: Seigneur de La Hunaudaye. |
| Raoul de Dinan Died: 1295 | Home/Search |
| Father: Roland de Dinan (bef. 1167-1266) Mother: Agnes de Corron |
| Married: to Philippe de la Belliere, dame de La Belliere |
| Siblings: Geoffroy de Dinan (c. 1200-bef. 1266) ** Marguerite de Dinan (c. 1210- ) |
| Children: Raoul de Dinan ( -1329) |
| Notes: Seigneur de Dinan-Montafilant. |
| Geoffroy de Dinan Born: c. 1200 Died: bef. 1266 | Home/Search |
| Father: Roland de Dinan (bef. 1167-1266) Mother: Agnes de Corron |
| Married: to daughter Tonquedec, dame de Runefau |
| Siblings: Raoul de Dinan ( -1295) ** Marguerite de Dinan (c. 1210- ) |
| Children: Roland de Dinan (c. 1230-c. 1310) |
| Notes: Seigneur de Montafilant. |
| • Constance de Rohan Born: c. 1180 | Home/Search |
| Father: Alain III of Rohan (c. 1135-1195) Mother: •Constance of Brittany (1140-1184) |
| Married: to Eudon de Pontchateau |
| Siblings: Margilie (Alix) de Rohan (c. 1165- ) ** Alain IV of Rohan (1165-1205) ** Geoffroi I de Tournemine (c. 1160-bef. 1214) |
| Children: Constance de Pontchateau (c. 1215-1265) |
| • Herve de Leon Died: c. 1264 | Home/Search |
| Father: •Guiomarch de Leon ( -aft. 1238) Mother: Marie de Penthievre |
| Married: to Marguerite de Dinan (c. 1210- ) |
| Children: Anne de Leon (c. 1235- ) ** Constance de Leon (c. 1250- ) |
| Notes: Vicomte de Leon. |
| Marguerite de Dinan Born: c. 1210 | Home/Search |
| Father: Roland de Dinan (bef. 1167-1266) Mother: Agnes de Corron |
| Married: to Herve de Leon ( -c. 1264) |
| Siblings: Raoul de Dinan ( -1295) ** Geoffroy de Dinan (c. 1200-bef. 1266) |
| Children: Anne de Leon (c. 1235- ) ** Constance de Leon (c. 1250- ) |
| Roland de Dinan Born: c. 1230 Died: c. 1310 | Home/Search |
| Father: Geoffroy de Dinan (c. 1200-bef. 1266) Mother: daughter Tonquedec, dame de Runefau |
| Married: to Anne de Leon (c. 1235- ) |
| Children: Geoffroy de Dinan (c. 1260-1312) |
| Notes: Seigneur de Runefau. |
| • Anne de Leon Born: c. 1235 | Home/Search |
| Father: •Herve de Leon ( -c. 1264) Mother: Marguerite de Dinan (c. 1210- ) |
| Married: to Roland de Dinan (c. 1230-c. 1310) |
| Siblings: Constance de Leon (c. 1250- ) |
| Children: Geoffroy de Dinan (c. 1260-1312) |
| • Constance de Leon Born: c. 1250 | Home/Search |
| Father: •Herve de Leon ( -c. 1264) Mother: Marguerite de Dinan (c. 1210- ) |
| Married: 1269 to Guillaume de Ploeuc |
| Siblings: Anne de Leon (c. 1235- ) |
| Children: Jeanne de Ploeuc (c. 1270- ) |