Okla. Stat. tit. 58, § 58-23: Requisites of petition for probate

A petition for the probate of a will must show:

1. the jurisdictional facts;

2. whether the person named as executor consents to act, or

renounces his right to the letters testamentary;

3. the names, ages, and residence of the heirs, legatees, and

devisees of the decedent, so far as known to the petitioner;

4. the probable value and character of the property of the

estate;

5. the name of the person for whom letters testamentary are

prayed.

The petition for the probate of a will must be in writing and

signed by the applicant or his counsel.

No defect of form, or in the statement of jurisdictional facts

actually existing, shall make void the probate of a will.