Pierre was the son of Guy I de Châtillon and Ermengarde de Choisy. The date and place of his birth have not been found.
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Guy I de Châtillon |
Milon de Châtillon |
Rainier de Châtillon |
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Avenelle de Montfort-l'Amaury |
Amaury I de Hainaut |
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Judith de Cambrai |
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Ermengarde de Choisy |
Albéric de Choisy |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | archidiacre de Reims |