Sigurd Slembe
Sigurd Magnusson Slembe was a Norwegian pretender to the throne.
He was the subject of Sigurd Slembe, the historical drama written by the Norwegian playwright Bjørnstjerne Bjørnson in 1862. Wikipedia
Born: 1100, Norway
Died: November 12, 1139 (age 39 years), Hvaler Municipality, Norway
Great-grandparents: Harald III of Norway and Tora Torbergsdatter
Parents: Magnus Barefoot and Thora Saxesdatter