I assume that you may have found what you want by now. However if not, Chesley Wheeler Twichell b. 25 Dec 1804 in Thurman, Warren, NY married his first wife Elizabeth N. Roberts b. 07 May 1813. Married 25 Dec 1829 in Calhoun county, IL. They had 7 children before she died on 12 Mar 1843 in Calhoun county, IL. Children were Joshua P., Lucy, Levi, Harriet, Eliza Jane, Joseph, and Adaline. I have some information on the children and their families.