sentences:  Moreover, in 947 he convened Archbishop Wulfstan and the Northumbrian witan at Tanshelf (now in Pontefract, West Yorkshire), on the boundary of the Humber (near an old Roman road), where they pledged their obedience to him.What perceived threat was being countered remains unclear, but English rule does not seem to have been very warmly received.In any event, the "Chronicle" (MS D) notes that the Northumbrians soon violated their pledges and oaths (947) and records a definite outcome of their disloyalty in 948, by which time "they had taken Eirik ["Yryc"] for their king".