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
King of Hungary the transfer of the claim, and he declared that it is only the Archbishop of Esztergom who is entitled to crown the King of Hungary. The King Charles I of Hungary was crowned in May 1301 with a provisional crown in Esztergom by the Archbishop of this city, that lead to his second coronation in June 1309. In this time the Holy Crown wasn't used and he was crowned in Buda by the archbishop of Esztergom. However his third coronation was finally in 1310, in the city of Székesfehérvár, with the Holy Crown and effectuated by the archbishop of Esztergom.