Clan Macnab Macnab family is on a charter of 1124. Malcolm de Glendochart appears in the Ragman Rolls of 1296 and submitted to Edward I of England. Angus Macnab was brother-in-law of John III Comyn, Lord of Badenoch who was murdered by Robert the Bruce in 1306. Macnab then joined forces with the Clan MacDougall in their campaign against the Bruce when Bruce was nearly captured at the Battle of Dalrigh. When the Bruce's power consolidated after his victory at the Battle of Bannockburn in 1314, the Macnab lands were forfeited and their charters were destroyed. The fortunes of the Clan Macnab
Robert the Bruce and his party then attacked Dumfries Castle where the English garrison surrendered. Bruce hurried from Dumfries to Glasgow, where his friend and supporter Bishop Robert Wishart granted him absolution and subsequently adjured the clergy throughout the land to rally to Bruce. Nonetheless, Bruce was excommunicated for this crime. English records still in existence today tell a completely different story. They state that the Comyn murder was planned in an attempt to gain the throne of Scotland. For this reason King Edward of England wrote to the Pope and asked for his excommunication of Robert Bruce. No records have ever been