Eleanor le DeSpenser 1252–1328 | | |
| | Baron Thomas de Furnival 1296–1339 | | |
| | Joan le DeSpenser 1258–1322 Baron Thomas 111 de Furnival 1270–1332 | | |
Sir Hugh le DeSpenser 1262–1326 | | |
| | Countess Alivia Basset 1220–1281 Earl Hugh le DeSpenser of Winchester 1223–1265 | | |
| | Hawise de Louvain 1203–1256 | | |
Katherine Basset 1186–1231 | | |
| | Sir Alan Basset 1162–1233 | | | | Philip FitzRobert de Grey 1122–1160 Sedzilla de Berkeley 1135–1190 | | | | Sir Roger III de Berkeley 1094–1170 | | | | Roger II de Berkeley 1077–1131 Rissa de Montgomery 1075–1169 | | | | Roger I de Berkeley 1047–1093 Rissa de Dursley 1044–1090 |
| | | Robert II de Montgomery de Belleme 1052–1132 Countess Agnes de Ponthieu 1056–1103 | | |
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| | | Lord Thomas Basset 1125–1182 Alice de Dunstanville 1120–1186 | | | | | | | | | | | | Thurston Basset 1050–1088 | | |
| | | Lord Robert de Brus 1030–1088 Emma de Brittany 1034–1094 | | |
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| | | Robert II de Oilly 1070–1142 Edith Sigulfson de Greystoke 1080–1172 | | | | | Forne FitzSigulf 1053–1130 | | |
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| | | Alan Reginald de Dunstanville 1080–1150 Emma de Langetot 1090–1157 | | | | Reginald Robert de Dunstanville 1054–1124 Adeliza Alicia de Isle 1058–1130 | | | | Hugh de Dunstanville 1028–… |
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| | | Ralph de Langetot 1043–1099 Princess Cecelia of England 1056–1126 | | | | King William I of England 1024–1087 Countess Matilda of Flanders 1031–1083 Maud de Ingelrica 1032–1083 | | |
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