All questions of fact shall be determined by the probate judge, unless the judge orders those questions of fact to be tried before a jury or refers those questions of fact to a special master commissioner as provided in sections 2101.06 and 2101.07 of the Revised Code.
Determination of questions of fact
Ohio Rev. Code Ann. § 2101.31, under Chapter 2101 | Probate Court - Jurisdiction; Procedure.
Ohio Rev. Code Ann. § 2101.31