Who can trace their lineage back to a king of Denmark and Norway that died in 985/86?
Harald Bluetooth Harald "Bluetooth" Gormsson (Old Norse: "Haraldr Gormsson" , Danish: "Harald Blåtand Gormsen" , died c. 985/86) was a king of Denmark and Norway.
Boleslaw of Sweden Boleslaw (Swedish: "Burislev"; died 1172/73) was a Swedish pretender for the throne, belonging to the House of Sverker. He acted in concert with his kinsman Kol against King Canute I of Sweden, then head of the House of Eric. The two pretenders, who were brothers, half-brothers, or uncle and nephew, may never have controlled much more than the Province of Östergötland, which was the base of the dynasty. Boleslaw is believed either to have been murdered by King Canute's men, or to have fled to Poland in or before 1173.