[1] During the Irish Wars of the early 1640s, Campbell led his Covenanter troops from Argyll in the massacre of many local Catholic MacDonalds on Rathlin Island.
[2] On 2 February 1645, back in Scotland, he led Argyll’s troops at Inverlochy where he was taken prisoner and killed, probably in retaliation for his massacre of the Catholic MacDonalds a few years earlier.
[1] Sir Duncan Campbell, 2nd Baronet and 6th Laird of Auchinbreck (1597–1645) was commander of Argyll's troops in Ireland in 1641 and taking of Dunluce Castle, County Antrim.
Auchinbreck had ravaged the lands of Alasdair Mac Colla's Irish cousins in Antrim as a commander in the Scottish army in Ireland.
His sister, known as Fionnghal Chaimbeul, wrote a Gaelic lament on the battle of Inverlochy where her brother was killed, and her eldest Hector Roy Maclean fought on the opposing side.