George Douglas Campbell (1823-1900), 8th Duke of Argyll, Scotland by unknown artist. Husband of 1st wife Elizabeth Georgina Sutherland-Leveson-Gower (1824-1878) Scotland, 2nd wife Amelia Maria Claughton-Anson (?-1894), 3rd wife Ina McNeill (?-1925).
Field Marshal John Campbell, 2nd Duke of Argyll, 1st Duke of Greenwich KG KT (10 October 1680 – 4 October 1743), styled Lord Lorne from 1680 to 1703, was a Scottish nobleman and senior commander in the British Army. He was also my great-great-grandmother's husband's nephew's wife's cousin's son-in-law's 1st cousin 3 times removed's father-in-law.
Archibald Campbell, 1st Marquess of Argyll, 8th Earl of Argyll, chief of Clan Campbell, (March 1607 – 27 May 1661) was the de facto head of government in Scotland during most of the conflict known as the Wars of the Three Kingdoms, also known as the British Civil War. He was a major figure in the Covenanter movement that fought for the Presbyterian religion and what they saw as Scottish interests during the English Civil War of the 1640s and 1650s. He was the arch-enemy of Montrose