County of Mortain
- Ruling Houses
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House of Robert de Vitré
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House of Blois
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House of Geoffrey d'Anjou
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House of Dammartin
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House of Philippe Hurepel
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House of Joan of Navarre-Capet
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House of Peter of Navarre-Evreux
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House of Louis of Wittelsbach
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House of Jean d'Harcourt
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House of Valois
