Roger Mortimer, 1st Earl of March on 22 May 1306, in a lavish ceremony in Westminster Abbey with two hundred and fifty-nine others, he was knighted by Edward and granted livery of his full inheritance. His adult life began in earnest in 1308, when he went to Ireland in person to enforce his authority. This brought him into conflict with the de Lacys, who turned for support to Edward Bruce, brother of Robert Bruce, King of Scots. Mortimer was appointed Lord Lieutenant of Ireland by Edward II on 23 November 1316. Shortly afterwards, at the head of a large army, he drove Bruce to Carrickfergus and
William de Lamberton make a move for Kingship they would not try to stop him. Bruce murdered the Red Comyn in the Greyfriars Church on 10 February 1306. Less than seven weeks later Bruce was crowned King of Scotland in Scone Abbey on 25 March 1306. Lamberton and Wishart jointly conducted the coronation. Bruce was crowned again a few days later by Isabella MacDuff. Lamberton and Wishart were arrested and put in irons for their roles in Bruce's coronation and transported to London where they were imprisoned. "Only their Orders saved them from hanging." Lamberton was later charged with treason against Edward. After