Mary Allan was born in 1735 and died in 1766 at the age of 31. She married Robert Campbell, son of James Campbell and Marion Jean Macmillan, in 1759. He was born in 1747 in Ayrshire, Scotland and died in 1781 at the age of 34.

Robert Campbell, son of Robert Campbell and Mary Allan, was born in 1766 and died in 1818 at the age of 52. He married Janet Gibson, daughter of William Gibson and Hannah Orr, in 1799. She was born in 1785 and died in 1817 at the age of 32.

George William Campbell, son of Robert Campbell and Janet Gibson, was born in 1815 in Dundonald, Ayrshire, Scotland and died on February 2, 1876 in Cow Bay (Port Morien), NS, Canada at the age of 61. He married Elizabeth Gilmour, daughter of Hugh Gilmour and Jean Lambie, on October 28, 1842 in Coylton, Ayrshire, Scotland. She was born in 1817 in Ochiltree, Ayrshire, Scotland and died in 1894 in Cow Bay (Port Morien), NS, Canada at the age of 77.