| | Hugh Fitz Odard 1096–1130 | | |
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| | Emma … of Brittany 1025–… Ivo de St. Saveur 1026–1059 | | |
Hawise … of Brittany …–1072 Hoel … of Cornouaille …–… | | |
| | Alan III … Duke of Brittany 997–1040 Berthe … of Bloise 990–1085 | | |
| | Conan IV … of Brittany 1137–1171 Margaret … of Huntingdon 1154–1201 | | |
Constance … of Brittany 1137–… Alain III de Rohan 1135–1195 | | |
| | Alan III … of Brittany 1095–1146 Bertha … of Brittany 1110–1167 | | |
| | Alan I … of Penthievre 1151–1212 Petronille de Beaumont 1170–1216 | | |
| | Henry I de Treguier 1100–1183 | | |
Maud … of Brittany 1098–1139 Walter de Gaunt 1094–1139 | | |
Olive … of Brittany 1095–… Henri I de Fougeres 1100–1154 | | |
Agnorie … of Brittany …–… | | |
| | Stephen I … of Brittany 1064–1135 Hawise de Guincamp 1066–… | | |
| | Eudes … of Brittany 999–1079 | | |
| | Hawise … of Normandy 977–1034 Geoffrey I … of Rennes, Duke of Brittany (992-1008) 980–1008 | | | | Conan I … of Rennes, Duke of Brittany (958-992) 927–992 Ermengarde … of Anjou, Duchess of Brittany (952-992) 932–982 | | | | Judicael Berengar Count of Rennes …–979 Gerberge de Bretagne 911–988 | | | | | | | | King of Brittany (876-907) Alain I … of Vannes …–907 | | |
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