Charles James Irwin Grant, only son of Charles William Grant, 5th Baron de Longueuil and Caroline Coffin, was born in Montreal on 1 April 1815.[1] He served in the 79th Regiment as a lieutenant for a while.[1] He later married Henriet Colmore, from whom he fathered two sons (Alexander Frederick, died age 2 and Charles Colmore) as well as a daughter.[2][1] His wife Henriet died in 1847 and he remarried in Charleston, South Carolina on 18 January 1849 to Anne Trapman, second daughter of Louis Trapman, a consul.[1] He had many children from this union including Reginald Charles and John Charles Moore.[2][1] He died on 26 February 1879 at age 63.[2]
