With Scotland threatening to descend into civil war, King Edward I of England was invited in by the Scottish nobility to arbitrate. Before the process could begin, he insisted that all of the contenders recognise him as Lord Paramount of Scotland. In early November 1292, at a great feudal court held in the castle at Berwick-upon-Tweed, judgment was given in favour of John Balliol having the strongest claim in law based on being senior in genealogical primogeniture even though not in proximity of blood.