New France Genealogy
Montjoie Saint Denis!
Family: De Beaumont, Earl Leicester Robert III / de Grentmesnil, Petronilla (F10670)
m. Bef 1155/1159De Beaumont, Earl/Leicester Robert II (1104-1168) 
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de Gael, Cts/Leicester Amice (1100- )
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De Beaumont, Isabel (1132- )  |
| De Beaumont, Hawise (1134-1197) |
| De Beaumont, Margaret (1136- ) |
| De Beaumont, Gervace (1138- ) |
| De Beaumont, Cts/Leicester Elizabeth (1140- ) |
| De Beaumont, William (1142- ) |
| De Beaumont, John (1144- ) |
| De Beaumont, Geffery (1146- ) |
| De Beaumont, Henry (1148- ) |
| Unknown (1105- ) |
| de Grentmesnil, Alice (1136- ) |
| de Grentmesnil, Petronilla (1134-1212)
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| De Beaumont, Earl Leicester Robert III (1130-1190)
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| De Beaumont, Cts/Leicester Amice (1152- ) |
| De Beaumont, Margaret (1154-1235) |
| De Bretuil, William (1156-1190) |
| De Bretevil, Earl/Leicester Robert (1158-1204) |
| De Beaumont, Bishop/St.... Roger (1160- ) |
| De Beaumont, Geoffrey (1161- ) |
| De Beaumont, Mabel (1162- ) |
| De Beaumont, Hawise (1164- ) |
| De Beaumont, Pernel (1166- ) |