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A lifetime of genealogy research
Family: Robert de Pierrepont / Sarah de Heriz (F15058)
Henry de Pierrepont (1244-1292) 
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Annora de Manvers (1247-1314)
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| John de Heriz (1248-1299) |
| Matilda de Loudham (1253- )
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| Robert de Pierrepont (1271-1333)
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| Sarah de Heriz (1274-1310)
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Annora de Pierrepont (1294-1336)  |