He was the eldest son of Anselm (died after 1002), a nobleman described in documents as an "illustrious man" (vir inluster), and his wife, Aldiud,[b] who had been the concubine, about 964, of King Conrad of Burgundy.
[3] In early 1019, Burchard removed Humbert as advocatus of the archdiocese of Vienne and gave the position to his brother Ulric.
[4] On 19 August 1019, Burchard and his brother Ulric donated land in the Genevois to the church of Saint Peter in Vienne for the sake of their parents' souls.
[6] The French historian Georges de Manteyer advanced the theory that Burchard created the counties of Maurienne and Albon out of the Viennois and enfeoffed them to the families that would be the Savoyards and Dauphins in 1023.
[7] Burchard was regarded as a proponent of the Peace of God movement and his epitaph reads:[8] Defending lambs and bravely pressing enemies, Battling and making the dangerous troops bow.