U.S. States: Ohio: Clinton County
I don't know if you ever located the information you wanted but I just ran across your posting and thought I would give you some of what I have.
Erastus Thomas Nordyke was the son of Elisha Thomas and Sarah Nordyke. Their other children were: Elijah Thomas, Micajah W. Thomas, Joseph E. Thomas, and Sylvester Thomas. Elisha Thomas parents are Edward Thomas and Mary Wright. Sarah Nordyke parents were Micajah E. Nordyke and Charity Ellis. I show Erastus Nordyke Thomas married Maryjane Farrens.