Clan Sweeney supporters of the powerful MacDougall Lords of Lorne who supported John Balliol as patriots, as long as John was king of Scotland. After the murder of John Comyn, the nephew of Balliol, by Bruce in 1306, the First War of Scottish Independence became at one and the same time a civil war. The Balliol and Comyn parties taking the side of the English in opposition to Bruce, crowned Robert I of Scotland on 25 March 1306. This was an era of constantly shifting alliances, and in 1301 John MacSween was in alliance with Aonghus Óg Mac Domhnaill, Lord of Islay
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