The primary source which confirms his parentage has not yet been identified. Comte d’Oscheret 877-888. Counsellor of Boson King of Burgundy and Provence. Together with his brother and Foulques Archbishop of Reims, he invited Guido II Duke of Spoleto to become king of France in opposition to Emperor Charles III “le Gros” who had delivered Burgundy to the Vikings after his accession in 884. He accompanied Guido back to Italy after the election of Eudes King of Burgundy as King of France in 888.
In Italy, he continued as counsellor to Guido di Spoleto, took part in the campaigns against Arnulf King of Germany who invaded Italy in 894 and 896, and was installed as ANSCARIO I Marchese d´Ivrea [896]. "Lantbertus…imperator augustus" confirmed the privileges granted to the monastery of Bobbio by "marchio noster atque…comes Anscharius" by charter dated 25 Jul 896. Chief counsellor of Berengario I King of Italy 898. 1
Also called Anscario I d' Atuyer, marchese d' Ivrea.