Ohio Rev. Code § 2107.29: Record of will destroyed.

When the record of a will is destroyed, a copy of the will or a copy of the will and its probate may be recorded by the probate court if it appears to the court's satisfaction that the record has been destroyed and if it appears, by reason of a certificate signed and sealed by the probate judge, that the copy is a true copy of the original will or a true copy of the original will and its probate.