Gauthier was the son of Ithier de Mercœur and Eldgarde. The date and place of his birth have not been found.
His wife was Aspasie de Chapteuil. They were married, but the date and place have not been found. They had no known children.
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Ithier de Mercœur |
Gautier de Mercœur |
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Sulpicius de Chapteuil |
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