Isabel Longespee 1198–1248 | | |
| | Stephen Longespee 1203–1260 Emmeline de Riddlesford 1223–1276 | | |
Idonea Longespee 1204–1268 | | |
| | Sir William Longespee the Younger 1208–1250 Idoine de Camville 1209–1252 | | |
Petronella Longespee 1209–1210 | | |
Nicholas Longespee 1218–1297 | | |
| | Ela FitzPatrick 1178–1261 William Longespee 1176–1226 | | |
| | Eleanor de Vitre 1158–1232 William FitzPatrick 1150–1196 | | |
| | Robert de Vitre 1132–1173 | | |
| | Agnorie de Bretagne 1110–1194 | | | | Sir Geoffrey de Dinan 1070–1122 Radegonde Nerondes 1069–1147 | | | | Oliver I de Dinan 1040–1075 Gervaise de Belleme 1030–1079 | | | | Geoffrey Josceline de Dinan 1006–1070 | | | | Vicomte Hamon de Dinan 945–1030 Roiantelina de Vitre 955–… | | |
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