Whilst bound to the English Crown in 1210, Rǫgnvaldr appears to have found himself the target of renewed Norwegian hegemony in the Isles. Specifically, the Icelandic annals reveal that a military expedition from Norway to the Isles was in preparation in 1209. The following year, the same source notes "warfare" in the Isles, and reveals that Iona was pillaged. These reports are corroborated by "Bǫglunga sǫgur", a thirteenth-century saga-collection that survives in two versions. Both versions reveal that a fleet of Norwegians plundered in the Isles, and the shorter version notes how men of the Birkibeinar and the Baglar—two competing sides of the Norwegian civil war—decided to recoup their financial losses with a twelve-ship raiding expedition into the Isles. The longer version states that "'" (styled "'") and "'" (styled "'") had not paid their taxes due to the Norwegian kings. In consequence, the source records that the Isles were ravaged until the two travelled to Norway and reconciled themselves with Ingi Bárðarson, King of Norway, whereupon the two took their lands from Ingi as a "" (fief).