Clan Bruce Scottish army at the Battle of Bannockburn in 1314 where the English were defeated. In 1334 Thomas Bruce, who claimed kinship with the royal house of Bruce, organized a rising in the Kyle, along with Robert Stewart (later Robert II of Scotland) against the English. Robert the Bruce's son, David II of Scotland became king on his father's death in 1329. In 1346 under the terms of the Auld Alliance David marched south into England in the interests of France, but was defeated at the Battle of Neville's Cross and imprisoned on 17 October of that year, and remained in
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