See also
1. Ada d'Avesnes, daughter of Wedric d'Avesnes ( - ), married Fasted d'Oisy.
Fasted d'Oisy and Ada d'Avesnes had the following children:
| +2 |
2. Fasted d'Oisy, son of Fasted d'Oisy and Ada d'Avesnes, married Richilde.
Richilde and Fasted d'Oisy had the following children:
| +3 |
3. Walter d'Oisy, son of Fasted d'Oisy and Richilde, married Ada of Montaigne.
Ada of Montaigne was the daughter of Everard Rudolf, Duke of Montaigne ( - ). She and Walter d'Oisy had the following children:
| 4 |