Ebal Iv Sire Grandson 1154-1235 (81) | | | | Ulric Iii de Neuchatel 1150- | | Roger de Mortimer 1221-1282 (61) | | | | William de Fiennes 1245-1302 (57) |
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Pierre I Sire Grandson 1190- |  | William de Grandison 1255/56-1335 (79) |  | Agnes de Neuchatel 1194- | | Edmund de Mortimer 1252-1304 (52) |  | Roger Mortimer 1287-1330 (43) |  | Margaret de Fiennes 1262/63-1333/34 (71) |
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Beatrix de Geneva 1154-1235 (81) | Yolande de Urach Arberg 1188- | | Maud Braose 1226-1301 (75) | Blanche de Brienne 1245/46-1302 (55) |
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| | Piers (Peter) de Grandison 1286-1358 (72) | | | | Blanche de Mortimer 1316-1347 (31) | | |
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Robert de Tregoz 1190-1265 (75) | Fulk Fitzwarin 1210-1264 (54) | | Geoffrey de Geneville 1226-1314 (88) | Hugh Xii de Lusignan 1240-1282 (42) |
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John de Tregoz 1235-1300 (65) |  | Sybil Tregoz 1271-1334 (63) |  | Mabel Fitzwarin 1245-1297 (52) | | Piers de Geneville 1256-1292 (36) |  | Joan de Geneville 1285/86-1356 (70) |  | Joan Lusignan 1262-1323 (61) |
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Juliana de Cantilupe 1192-1285 (93) | | | | Constance de Toni 1215-1265 (50) | | Maud Lucy 1239-1304 (65) | | | | Jeanne de Fougeres 1242-1274 (32) |