Former Provisions of the Constitution of the State of Ohio, 1851 Former Art. III, § 17

If the lieutenant governor, while executing the office of governor, shall be impeached, displaced, resign or die, or otherwise become incapable of performing the duties of the office, the president of the senate shall act as governor, until the vacancy is filled, or the disability removed;  and if the president of the senate, for any of the above causes, shall be rendered incapable of performing the duties pertaining to the office of governor, the same shall devolve upon the speaker of the house of representatives.