Pierre was the son of Pierre IV de Gruyère and Catherine de la Tour-Châtillon. The date and place of his birth have not been found.
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Pierre IV de Gruyère |
Rodolphe de Gruyère |
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Catherine de la Tour-Châtillon |
Jean de la Tour-Châtillon |
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Elisabeth von Wädiswil |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | prieur à Rougemont |