Question: Ragnall ua Ímair was the grandson of a Viking leader that died in what year?
Sentence (from "Ímar"): Some scholars consider Ímar to be identical to Ivar the Boneless, a Viking commander of the Great Heathen Army named in contemporary English sources who also appears in the Icelandic sagas as a son of the legendary Viking Ragnar Lodbrok.
Relevant evidence: No