Career
He also asserted claims to Scandinavian thrones based on the royal lineage of the House of Mecklenburg. In the course of the so-called Count"s Feud, the Free City of Lübeck involved Duke Albrecht in its alliance with various parties and offered him the Danish crown. King Christian III of Denmark, however, managed to keep his kingdom: Christopher, Count of Oldenburg, and Duke Albert were besieged in Copenhagen in 1535–1536 until they capitulated.
