Norwegian authority in the west as a means to prepare an invasion of England. In so doing, Magnús may have backed the cause of a local faction that opposed Echmarcach. Certainly, the thirteenth- to fourteenth-century Chronicle of Mann records that Ímar's apparent son, Gofraid Crobán—a future ruler of Dublin and the Isles—backed the Norwegian invasion of England led by Magnús' father in 1066. Pilgrimage and death in Rome In 1064, Echmarcach seems to have accompanied by Donnchad upon a pilgrimage to Rome. By this time the two may well have been of an advanced age, and both appear to have died in the city soon afterwards. Surviving sources give conflicting dates for Echmarcach's passing, and it is uncertain whether he died in 1064 or 1065. The Annals of Inisfallen, the Annals of Loch Cé, and the Annals of Ulster indicate that he died in 1064. The eleventh-century Chronicon of Marianus Scotus records that Echmarcach died in 1065, in a statement which implies that Echmarcach and Donnchad travelled to Rome together. Donnchad himself seems to have died in 1064, as a multitude of sources report his pilgrimage to Rome and demise that year. Several of these sources appear to indicate that Donnchad died at Santo Stefano Rotondo, an ancient basilica on the Caelian Hill. This building was an important place of pilgrimage to contemporaries, and apparently housed both Echmarcach and Donnchad before they died. Pilgrimages such as those of Echmarcach and Donnchad were not unheard of amongst high-ranking Gaelic and Norse-Gaelic contemporaries, and several such high-status figures are known to have perished undertaking pilgrimages of their own to Rome. If Echmarcach's father was indeed Ragnall mac Gofraid, and if Echmarcach had been born only a few years before his father's death, Echmarcach would have thus been about sixty-five when he himself was laid to rest. Marianus Scotus' account of Echmarcach accords him the Latin title "rex Innarenn". On one hand, this may be a garbled form of the Latin "rex insularum", meaning "King of the Isles". If so, the titles "ri Gall" and "rí Gall" accorded to him by the Annals of Ulster and the Annals of Inisfallen in 1064 could indicate that he was still regarded as ruler of Mann. On the other hand, "rex Innarenn" could instead mean "King of the Rhinns", in reference to the Rhinns of Galloway. During Echmarcach's floruit, the Rhinns appears have also included what