John, King of England treatment of many of England's most powerful nobles. Although both John and the barons agreed to the " peace treaty in 1215, neither side complied with its conditions. Civil war broke out shortly afterwards, with the barons aided by Louis of France. It soon descended into a stalemate. John died of dysentery contracted whilst on campaign in eastern England during late 1216; supporters of his son Henry III went on to achieve victory over Louis and the rebel barons the following year. Contemporary chroniclers were mostly critical of John's performance as king, and his reign has since been the subject
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