Guillaume de Sonnac

Guillaume de Sonnac
Coat of arms of Guillaume de Sonnac
18th Grand Master of the Knights Templar
In office
1247–1250
Preceded byRichard de Bures
Succeeded byRenaud de Vichiers
Personal details
BornUnknown
Died6 April 1250
Military service
Allegiance Knights Templar
Battles/wars
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Guillaume de Sonnac (died 6 April 1250) was Grand Master of the Knights Templar from 1247 to 1250.