Battle of Culblean of the English. In the winter of 1314 the Scottish Parliament, the first to meet after King Robert's great victory at the Battle of Bannockburn, pronounced formal sentence of forfeiture against all those who held land in Scotland but continued to fight on the side of the English. Thus was created a class of nobility known as the 'disinherited', old Balliol loyalists who would not be reconciled with the Bruce party. The 1328 Treaty of Northampton between England and Scotland, based on a full recognition of Robert Bruce's kingship, ended any immediate prospect these men had of gaining their lost
Robert the Bruce planned a major military campaign with the support of Lancaster and the barons, mustering a large army of between 15,000 and 20,000 men. In the spring of 1314, Edward Bruce laid siege to Stirling Castle, a key fortification in Scotland whose governor, Philip de Mowbray, agreed to capitulate if not relieved before 24 June 1314. In March, James Douglas captured Roxburgh, and Randolph captured Edinburgh Castle, while in May, Bruce again raided England and subdued the Isle of Man. News of the agreement regarding Stirling Castle reached the English king in late May, and he decided to speed his march