He came from a family of the Bremian Ministerialis at Uthlede .
He was a canon of Bremen Cathedral and a clerk of Duke Henry the Lion of Saxony , House of Guelph , before becoming prince - archbishop in 1185 .
Coming from a family of the Bremian Ministerialis at Uthlede , he was a canon of Bremen Cathedral and a clerk of Duke Henry the Lion of Saxony , House of Guelph , before becoming prince - archbishop in 1185 .