1. Richilde married Fasted d'Oisy.
Fasted d'Oisy was the son of Fasted d'Oisy ( - ) and Ada d'Avesnes ( - ). He and Richilde had the following children:
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2. 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:
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3. Henry, Lord de la Roche, son of Walter d'Oisy and Ada of Montaigne, married Matilda of Limburg.
Matilda of Limburg and Henry, Lord de la Roche had the following children:
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