The capacity of a settlor required to create, amend, revoke, or add property to a revocable trust, or to direct the actions of the trustee of a revocable trust, is the same as that required to make a will.
Capacity of settlor same as testator
Ohio Rev. Code Ann. § 5806.01, under Chapter 5806 | Powers Of Settlor.
Ohio Rev. Code Ann. § 5806.01