Guillaume Pinchon was a French Catholic prelate who served as the Bishop of Saint-Brieuc from his appointment in 1220 until his death. He was a champion for the poor and defended the rights and privileges of the Church against secular intervention though this was a cause for his exile from his diocese. He returned not long after his exile and set himself on the construction of a new cathedral which was still in construction at the time he died.

07-29

• Diocese of Saint-Brieuc

c. 1175

29 July 1234 (aged 59)

venerable

24 March 1247

Pope Innocent IV

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