an Entity references as follows:
Thomas John Jackson (1792 – 1852) was a free African-American slave from Frederick County, Maryland, United States, who emigrated to Cape Palmas in the 19th century. Thomas Jackson was one of the most prominent early Americo-Liberian and was among the early American settlers of Liberia. Thomas Jackson is mentioned in the African Repository by the American Colonization Society and the Maryland State Colonization Society.