Solomon Northup was born in New York in 1808. His father, who had been a slave until his master had granted him his freedom in his will. In 1829 Northup married Anne Hampton and worked as a labourer in Hartford. However, Solomon was captured by slave traders while visiting Washington in 1841 and sold as a slave to a man in Louisiana. His autobiography, Twelve Years a Slave was published by Darby & Miller in 1853. (More on website)
I am not related to this family, just passing on this information, which comes from a website called "Slave Encyclopedia" The link for the site is listed below.