Key facts: Ohio Rev. Code § 2113.03 governs sibling inheritance disputes; the eligibility threshold is $35,000; omitted children may claim intestate shares if omission was not intentional; claims must be filed in the county probate court where the estate is administered; estates below $35,000 may use simplified administration procedures; challenges must meet specific statutory pleading requirements; mediation is often encouraged before litigation; prompt action is critical to preserve remedies.