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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)
    de Sonnac was Grand Master of the Knights Templar from 1247 to 1250.Personal lifeSonnac was born to a noble family in the French region of Rouergue. No date of birth survives for the Grand Master. He w...

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