Question: Sigtrygg II Silkbeard Olafsson, was a Hiberno-Norse king of which location, of the Uí Ímair dynasty?
Sentence (from "Sigtrygg Silkbeard"): He has a prominent role in the 12th-century Irish "Cogadh Gaedhil re Gallaibh" and the 13th century Icelandic "Njal's Saga", as the main Norse leader at the Battle of Clontarf in 1014.
Relevant evidence: No