Sigurd Syr Halfdansson (c. 970-1018) was a great-grandson of Harald I of Norway. He was subking of Ringarike, an ancient territory in southern Norway. Sigurd was stepfather of King Olaf Haraldsson and father of Harald III of Norway. His nickname Syr means "sow", and was not complementary Harald Fairhair (Old Norse:Haraldr hinn hárfagri, Icelandic:Haraldur hinn hárfagri, Norwegian:Harald Hårfagre) (c. ... Olav II Haraldsson ( 995 – 1030), king from 1015–1028, called during his lifetime the Fat and afterwards known as Saint Olaf, was born in the year in which Olaf Tryggvesson came to Norway. ... Harald III Haardraade (1015 — September 25, 1066) was the king of Norway from around 1040 together with the son of Olav Haroldsson (St. ...
Aasta was greatly shocked; composed herself however; married a new husband, SigurdSyr, a kinglet, and a great-grandson of Harald Fairhair, a man of great wealth, prudence, and influence in those countries; in whose house, as favorite and well-beloved stepson, little Olaf was wholesomely and skilfully brought up.
Sigurd was cautious, prudentially cunctatory, though heartily friendly in his counsel to Olaf as to the King question.
Sigurd promises to consult farther in his neighborhood, and to correspond by messages; the result is, Olaf resolutely pushing forward himself, resolves to call a Thing, and openly claim his kingship there.