... Another son of Gen. Martin and Susannah Graves was Esq. Judge John C. Martin, who also moved to Middle Tennessee in the days following the War of 1812, where he became a judge and chairman of the Cannon County courts, and served five terms as county executive. He was also responsible for the construction of the original Cannon County court house, erected in 1830. He married Sophia Rucker, sister to his brother Lewis' wife, Belinda. ...
