I have a Martin S. Addington b. abt 1823 IN married to Nancy King 9-19-1844 in Preble Co., OH She was b. abt 1825 TN d. 9-23-1882, Richmond, IN. Child Mary Elizabeth b. 1847 Eaton, IN d. 1936 Galveston, IN m. John Quincy Symons 1865, Jerome, IN, He b. 1843 & d. 1929.
If this looks right, have a lot of info on ancestors & siblings.