(2) Any marriage entered into by persons of the same sex in any other jurisdiction shall be considered and treated in all respects as having no legal force or effect in this state and shall not be recognized by this state. Any marriage between persons of the same sex shall have no legal force or effect in this state and, if attempted to be entered into in this state, is void ab initio and shall not be recognized by this state. (1) Any marriage between persons of the same sex is against the strong public policy of this state. A marriage may only be entered into by one man and one woman.
(A) Except as provided in section 3101.02 of the Revised Code, only male persons of the age of eighteen years, and only female persons of the age of eighteen years, not nearer of kin than second cousins, and not having a husband or wife living, may be joined in marriage.
Code § 3101.01 Persons who may be joined in marriage – minor to obtain consent.
