I'm trying to find the connection as well. I believe a Nancy E. & Martha Hutchinson were adopted into the household of Frederick Cline Jr. in Warren county between 1850 and 1856 (when adoption records started.) They are both Clines in the 1860 census but Hutchesons (census spelling) in the 1850. I have oral history that a great aunt pointed the 1847 headstone of a Nancy R. consort of John Hutchinson and said "that was my ________". Unfortunately her daughter doesn't remember the rest.
I've been trying to figure out why the Clines would adopt a Hutchinson. So they may be related?