Dear Rebecca, I recently came into possession of a book about my great, great grandfather, Thomas Cox. Thomas Cox married Roba Bartlett in 1815.
According to the book, these are the children of Thomas and Roba (Bartlett) Cox:
Daniel - b Sep 1816, married __Gates, 1838, died 1841 - 1 child - died in infancy
Florida, b jan 17, 1819, married John G. Nichols 1838; died 1877 in L.A. -6 Children - Daniel Bartlett, Roba, John Gregg, Florida, Thomas Edwin, Elmer Ellsworth, (also Cordelia, Augustus and Lewis Cass who died before Florida Cox Nichols) (See next post for more)