Jacob Duck (Tippah co)/James Duck Amite

Looking for any information on Jacob Duck age 48 b. NC and wife Sarah age 42 b. NC
from 1850 Tippah Co. census.Children born
in Tenn. and Mississippi. James, John S., Martha, Mary Ann, Nancy, Sarah, Susan, Cordelia, Frances,. Looking for connection to
James M. Duck b. 1801 NC/SC that ended up near Liberty, MS.