Gezin: Wauthier de Lens (F34884)
Othes (Othon, Oswin) de Boulogne (775-853) 
|
Helgaud II de Boulogne, Ct. de Ponthieu (805-863)  |
| Wauthier de Lens (900- )
|
| Othes (Othon, Oswin) de Boulogne (775-853)
|
| Helgaud II de Boulogne, Ct. de Ponthieu (805-863) |
| Wauthier de Lens (900- )
|