The Grand Inheritance is a 1790 Southern Mansion built by Major David Wilson, a North Carolina Hero of the American Revolution. Wilson was a key figure in the formation of the State of Tennessee in 1796 when Tennessee became a state that was formerly North Carolina’s Western Territory. He also was a founding member of Sumner County, and the city of Gallatin. In addition to his service in the American Revolution… Major David Wilson was an important political figure in frontier Sumner Territory and very active in the political affairs of Sumner County, Tennessee.He served as: legislator in the North Carolina House of Commons from 1778 to 1784,Sumner County Magistrate in 1787,called by North Carolina to ratify the United States Constitutionhe was appointed as the first Registrar of Sumner County in September 1794,he was elected to represent Sumner County in the House of Representatives for the Southwest Territory (Tennessee) in 1794 two years before Tennessee became a state (served until Tennessee was admitted to the Union in 1796) he was elected Speaker of the House of Representatives of the Southwest Territory Wilson County, Tennessee is named in his honor. Major David Wilson died in 1804 in Sumner County.