Nielsen Hayden genealogy
Roger de Pierrepont
![Male](img/tng_male.gif)
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- 1 Roger de Pierrepont [1] d. Between 1120 and 1123
Ermengarde de Montaigu
- 2 William de Pierrepont [1.1]
- 3 Hugh de Pierrepont [1.1.1]
d. Abt 1188
Clémence de Réthel
- 4 Beatrix de Pierrepont [1.1.1.1]
d. Bef 1203 [ =>]
- 4 Beatrix de Pierrepont [1.1.1.1]
- 3 Hugh de Pierrepont [1.1.1]
- 2 William de Pierrepont [1.1]