Sigurd Magnusson
Sigurd Magnusson was also the name of Sigurd I of Norway.
Sigurd Magnusson was a Norwegian nobleman who campaigned against King Sverre of Norway during the Civil war era in Norway. Wikipedia
Born: 1180
Died: April 3, 1194 (age 14 years)
Great-grandparents: Sigurd the Crusader, Malmfred of Kiev, and Kyrpinga Orm Sveinsson
Parents: Magnus V of Norway and Estrid Bjørnsdotter
Grandparents: Erling Skakke, Kristin Sigurdsdatter, and Björn Byrdasvend