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de Sonnac Genealogy and de Sonnac Family History Information

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  • Guillaume de Sonnac, 18th Templar Grand Master (b. - 1250)
    Guillaume de Sonnac was Grand Master of the Knights Templar from 1247 to 1250. Personal life Sonnac was born to a noble family in the French region of Rouergue. No date of birth survives for ...

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