Herluin II (unknown) 
Roger Guillaume I (son)
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| Herluin II (unknown) |
| Roger Guillaume I (son)
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Herluin II d'Amiens, comte de Ponthieu
bfr 0890, Picardie, Somme, Ponthieu France - July 13, 0945, Basse-Normandie, Orne, Normandel France (killed in battle)
(unknown) de Dammartin
bfr 0895, Rhone-Alps, Ain, Pontheiu France - 0980, Rhone-Alps, Ain, Pontheiu France
Married: ?? - ??
Roger d'Amiens, comte de Montreuil
abt 0894, Picardie, Somme, Ponthieu France - 0957, Picardie, Somme, Ponthieu France
Guillaume I de Ponthieu
abt 0900, Normandy, Ain, Ponthier France - 0965
(unknown son)
abt 0930 - 0970