First Jane last name unknown
Second Minerva last name unknown second marriage to have occured in Meigs county TN

Believe him to be related to the family of Conrad Barnhart, Sr. and Barbara Ge'Feller Barnhart of Greene County, TN

He later came to Missouri with Jacob, Henry, Abraham, Mathias Hoover Barnhart and Susanna Barnhart Seaton. Any clues will be a help.