New France Genealogy
Montjoie Saint Denis!
Family: de Ferrers, Earl/Derby William / Marshall, Sibyl (F9651)
m. Abt 1223de Ferrers, William (1162-1246) 
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de Meschines, Agnes (1174-1247)
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| Ferrers, Thomas (1202- ) |
| Ferrers, Hugh (1204-1257) |
| Ferrers, Robert (1206-1279) |
| de Ferrers, Sybil (1216- ) |
| Ferrers, Berta (1256- ) |
| Ferrars, Hugh (1304- ) |
| Marshal, 1st Earl of Pembroke William (1146-1219)
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| De Clare, 4th Countess of Pembroke Isabel (1172-1220)
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| Marshall, Margaret (1176- ) |
Marshall, Cts/Norway Maude (1192-1248)  |
| Marshall, Richard (1194-1238) |
| Marshall, Gilbert (1198-1242) |
| Marshall, Walter (1200-1245) |
| Marshal, Countess of Cornwall Isabella (1200-1240) |
| Marshall, John (1202- ) |
| Marshall, Joanna (Joan) (1204-1247) |
| Marshall, Anselm (1205-1245) |
| Marshall, Eve (1206-1245) |
| Marshall, William (1211-1231) |
| de Ferrers, Earl/Derby William (1200-1254)
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| Marshall, Sibyl (1204-1245)
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| de Ferrers, Agnes (1224-1290) |
| de Ferrers, Isabella (1226-1260) |
| Ferrers, Maud or Matilda (1229-1299) |
| de Ferrers, Sibyl (1230- ) |
| De Ferrers, Joan (1232-1267) |
| De Ferrers, Agatha (1234-1306) |
| De Ferrers, Eleanor (1236-1274) |
| Ferrers, John (1238- ) |