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.
Ingeborg Tryggvasdotter Ingeborg Tryggvasdotter was the daughter of Tryggve Olafsson (died 963), the granddaughter of Harald Fairhair, and the sister of Olaf I of Norway.