Noted events in his life were:
• Web Reference: Charles Cawley's Medieval Lands, Sigur "Hrise". 495
Sigurd "Hrise," son of Harald "Harfagri" King of Norway & his fourth wife Snefried . Snorre names "Sigurd Hrise…Halfdan Haleg, Gudrod Ljome and Ragnvald Rettilbeine" as the four sons of King Harald and his wife Snæfrid [Snorre, Harald Harfager's Saga, 25]. The Historia Norwegie names "Siwardus…Gigas" as sixth son of "Haraldus Comatus" [Historia Norwegie XI, p. 80]. Morkinskinna recites the descent of "Harald Sigurdarson" from "Harald hárfagri", to "Sigurdr hrisi", to "Hálfdan, father of Sigurdr sýr, the father of Haraldr", adding that these ancestors were all "kings of Hringaríki in Norway" [Morkinskinna, 9, p. 130]. Under his father's division of territories, Ringerike, Hadeland, Thoten and their dependencies were granted to his sons by Snæfrid [Snorre, Harald Harfager's Saga, 35].