I have found Theodosia’s daughter and Elijah living in Fulton County Illinois
Elijah Morton
Birth: 1796 New Jersey, USA
Death: Jan. 28, 1881 Fairview Fulton County Illinois, USA
War of 1812 Veteran-pvt.,in Capt.Wall's Co. New Jersey Light Infantry,Col. John Dodd's Reg,New Jersy Detailed Militia.
Burial: Fairview Cemetery Fulton County Illinois, USA
Created by: knighthawk40 Find A Grave Memorial# 51893627