Ohio Revised Code Title XXVII. Courts Revised Code General Provisions Special Remedies § 2725.04

(A) That the person in whose behalf the application is made is imprisoned, or restrained of his liberty;

(B) The officer, or name of the person by whom the prisoner is so confined or restrained; or, if both are unknown or uncertain, such officer or person may be described by an assumed appellation and the person who is served with the writ is deemed the person intended;

(C) The place where the prisoner is so imprisoned or restrained, if known;

(D) A copy of the commitment or cause of detention of such person shall be exhibited, if it can be procured without impairing the efficiency of the remedy; or, if the imprisonment or detention is without legal authority, such fact must appear.