Have you contacted the various departments and tried to order copies from them?
The deeds are in the Warren County Recorder's office, www.co.warr.oh/us/recorder/
The estate papers are in the Warren County Probate Court, http://probate.co.warren.oh.us/search.php
. You might be able to look at this online. Guardianship papers are there too.
You can order a copy of the obit from the Warren County Genealogical Society, www.co.warren.oh.us/genealogy/
. Successful Searching!