Ohio Rev. Code § 2121.04: Date of decree - marriage dissolved.

(A) If satisfied that a presumption of death has been established, as provided in section 2121.01 of the Revised Code, the probate court shall so decree.

(B) The death of such presumed decedent shall for all purposes under the law of this state be regarded as having occurred as of the date of such decree.

(C) If the presumed decedent is married on the date of the decree, the presumed decedent's marriage is dissolved by the decree. No subsequent vacation of the decree, as provided in section 2121.08 of the Revised Code, shall affect the dissolution of the marriage.