Guérin de Montaigu, 13th Hospitaller Grand Master

https://en.wikipedia.org/wiki/Gu%C3%A9rin_de_Montaigu

Guérin de Montaigu (died 1228), also known as Garin de Montaigu or Pierre Guérin de Montaigu, was a nobleman from Auvergne, who became the fourteenth Grand Master of the Knights Hospitaller, serving from 1207–1228. He succeeded the Grand Master Geoffroy le Rat after his death in 1206, and was succeeded by Bertrand de Thessy.