When there are two or more insurance policies upon the same property, each policy shall contribute to the payment of the whole or of the partial loss in proportion to the amount of insurance mentioned in each policy. In no case shall the insurer be required to pay more than the amount mentioned in its policy.
More than one policy on same property
Ohio Rev. Code Ann. § 3929.26, under Chapter 3929 | Domestic And Foreign Insurance Companies Other Than Life.
Ohio Rev. Code Ann. § 3929.26