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
Máel Coluim, son of the king of the Cumbrians Máel Coluim, son of the king of the Cumbrians Máel Coluim (fl. 1054) was an eleventh-century magnate who seems to have been established as either King of Alba or King of Strathclyde. In 1055, Siward, Earl of Northumbria defeated Mac Bethad mac Findlaích, the reigning ruler of the Kingdom of Alba. As a result of this military success against the Scots, several sources assert that Siward established Máel Coluim as king. It is uncertain whether this concerned the kingship of Alba or the kingship of Strathclyde. The fact that Máel Coluim is described as the son of a "King of