In 1870 THIS- Williams Family is in Red River Co.,Tx.-also 1860. Andrew's Father Joseph Williams is there also.In 1850 all of the Williams family are in Marshall Co.,Tenn. You can find most of this info on Ancestry or LDS too. Andrew Jackson Williams married Sarah Jane Dunnegan on 22 Oct 1840 in Marshall co.,Tenn. If you look at the neighbors in 1850-1860-1870-you'll see some Dunnegans close by.--WILL SEND YOU A COPY BY EMAIL.