Did you ever find any additional information on your Hartman or Ackerman lines in Richland County, OH?I did find something recently that may connect.My Christopher Hartman (1820-1899) and his wife Anna Maus had two children who married Ackermans. 1. Jacob Hartman b c 1847 married Elizabeth Ackerman, 14 Oct 1868, Richland 2. Christiana Hartman born c 1849 married Henry Ackerman, 12 Jun 1867 in Richland. According to "History of Richland County" pub 1880, Henry Ackerman was born 1845 in Neidermodau Germany.(No information given on his parents. Do you see any connections here?