Perhaps I can help you with your research.
Our records show a John Will Ganstine born Abt. 1856 married to Marie (Nellie)Kays. His father was John Adam Ganstine, Jr. (born 1832, Spencer Co., KY married Eliza Evans, January 7, 1855. His father was John Adam Ganstine born about 1790 in Germany. My linage come thru Truman Ganstine, brother of John Adam Ganstine, Jr. Census records find John Adam Ganstine (Sr.) in Spencer Co., KY in 1830 and in Floyd Co., IN in 1840-50. John Adam Jr. in Floyd Co. in 1860. I will be happy to share data with you. Reach me at Garvintx@AOL.com