Généalogie and Heritage
Mariage
| Homme |  HELGAUD I de Montreuil, Duke of Ponthieu |
|---|---|
| Femme |  BERTHE de Ponthieu of Boulogne |
| Date | about 0826 |
| Homme | HELGAUD I de Montreuil, Duke of Ponthieu |
|---|---|
| Femme | BERTHE de Ponthieu of Boulogne |
| Date | about 0826 |