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Sigurd Markusfostre
Sigurd Sigurdsson Markusfostre was a pretender and rival king during the Civil war era in Norway. Wikipedia
Born: 1155
Died: September 29, 1163 (age 8 years), Gravdal, Bergen, Norway
Cousin: Jon Kuvlung
Parents: Sigurd II
Grandparents: Harald Gille, Thora Guttormsdotter, and Sådegyrd Bårdsson
Great-grandparent: Magnus Barefoot
Uncle: Inge Haraldsson