Complex sentence: He was mentioned as bishop of Aosta on October 19,1024 in a deed of gift alongside his father Humbert, then on 10 March 1026 Buchard was transferred to the archbishopric of Lyon which proves the assertion of regional power of his family.
Split into simpler sentences: He was mentioned as bishop of Aosta on October 19,1024 in a deed of gift alongside his father Humbert. On 10 March 1026 Buchard was transferred to the archbishopric of Lyon, which proves the assertion of regional power by his family.