Family: Robert DECAEN / Maud FITZ-HAMON (F3454)
Robert FITZHAMON (1059-1107) 
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Sibyl De MONTGOMERY (1066-1107)
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| Isabella Hawise FITZHAMON (1087- ) |
| Amicia Fitzhamon DEMEULLENT (1090-1189) |
| Amicia Fitzhamon DEMEULLENT (1090-1157) |
| Robert DECAEN (1088-1147) |
| Maud FITZ-HAMON (1090-1157)
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Maud FITZROBERT (1120-1189)  |