1. | Mathilde van Béthune (daughter of Willem I van Béthune and Clementia van Oisy). Family/Spouse: Everhard Radulf III van Mortagne. [Group Sheet] [Family Chart] Children:
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2. | Willem I van Béthune (son of Robert IV van Béthune and Alix van Péronne). Willem married Clementia van Oisy. [Group Sheet] [Family Chart] |
3. | Clementia van Oisy (daughter of Hugues III van Oisy and Hildegarde van Mons).
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4. | Robert IV van Béthune (son of Robert III van Béthune). Robert married Alix van Péronne. [Group Sheet] [Family Chart] |
5. | Alix van Péronne (daughter of Robert II van Péronne).
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6. | Hugues III van Oisy (son of Hugues II van Oisy and Ode van Rumigny). Hugues married Hildegarde van Mons. [Group Sheet] [Family Chart] |
7. | Hildegarde van Mons (daughter of Gosewin van Mons and Ermengarde van Chaumont).
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8. | Robert III van Béthune (son of Robert II van Béthune).
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10. | Robert II van Péronne (son of Robert I van Péronne and Héloise).
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12. | Hugues II van Oisy (son of Hugues I van Oisy and Adéle van Cambrai). Hugues married Ode van Rumigny. [Group Sheet] [Family Chart] |
13. | Ode van Rumigny
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14. | Gosewin van Mons Gosewin married Ermengarde van Chaumont. [Group Sheet] [Family Chart] |
15. | Ermengarde van Chaumont (daughter of Règnier van Chaumont and Ermentrude van Mons).
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