I found the following marriages for a Gabriel Slaughter from, "Marriages of Virginia Residents Vol. II, Part III, Surnames R-S", Page 178: Gabriel, born 1767, Culpeper Co.; died 1830, Mercer Co., Ky., son of Col. Robert; m. (1) Sarah Slaughter, dau. of Thomas of Caroline Co.; m. (2) 9 March, 1797, Elizabeth Hord of Caroline Co. Caroline Co. Mar Record; 22v100; 23V198; Slaughter, p. 162.