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
Robert the Bruce from English rule (having received a reply to offers of assistance from Donal O'Neil, king of Tyrone), and to open a second front in the continuing wars with England. Bruce was even crowned as High King of Ireland in 1316. Robert later went there with another army to assist his brother. In conjunction with the invasion, Bruce popularised an ideological vision of a "Pan-Gaelic Greater Scotia" with his lineage ruling over both Ireland and Scotland. This propaganda campaign was aided by two factors. The first was his marriage alliance from 1302 with the de Burgh family of the Earldom of