Robert Bruce, Lord of Liddesdale IV, Earl of Fife carried out an unsuccessful attempt on 6 August 1332 to repel the landing at Kinghorn in Fife. He then quarrelled with the regent, Donald II, Earl of Mar. He was killed leading a charge at the Battle of Dupplin Moor on 11 August 1332. Robert Bruce, Lord of Liddesdale Sir Robert Bruce, Lord of Liddesdale (died 11 August 1332) was an illegitimate son of King Robert the Bruce and an unknown mother. He was knighted and awarded the royal arms at the Battle of Bannockburn. His father made him Lord of Liddesdale after William II de
Battle of Halidon Hill ultimate victor. The Treaty of Northampton in 1328 brought an end to over thirty years of intermittent warfare following the defeat of Edward II by Robert Bruce. Bruce's own death the following year opened up an opportunity for the disinherited, Balliol and the English to invade Scotland once more. In 1332 under the leadership of Edward Balliol, son of King John Balliol, and Henry Beaumont, 4th Earl of Buchan, these men invaded Scotland with the full support of Edward III, defeating the Bruce loyalists at the Battle of Dupplin Moor. Building on this success Balliol was crowned King of Scotland.