| 1. de Ponthieu, Count Herlouin II |
 |
| B: |
890 |
| P: |
Saint-Pol-sur-Ternoise, Arras, Pas-de-Calais, Nord-Pas-de-Calais, France |
| D: |
13 Jul 945 |
| P: |
Bayeux, Calvados, Basse-Normandie, France |
|
| 2. de Ponthieu, Herlouin III |
|
| B: |
855 |
| P: |
Quevauvillers, Somme, Picardie, France |
| M: |
890 |
| P: |
|
| D: |
926 |
| P: |
Fauquembergues, Pas-de-Calais, Nord-Pas-de-Calais, France |
|
| 4. de Ponthieu, Herlouin I |
|
| B: |
830 |
| P: |
Aisne, Picardie, France |
| M: |
|
| P: |
|
| D: |
878 |
| P: |
Ponthieu (Historical), Picardie, France |
|
| 8. |
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| 10. de Ponthieu, Count Helgaud |
=> |
|
| B: |
805 |
| P: |
Ponthieu (Historical), Picardie, France |
| M: |
824 |
| P: |
Kingdom of Neustria (Historical) |
| D: |
863 |
| P: |
Picardie, France |
|
890 - 945 (55 years)