Okla. Stat. tit. 58, § 58-943: Contents of petition

The petition for letters testamentary or letters of

administration shall show:

1. the jurisdictional facts;

2. the names, ages and residence of the heirs, devisees, or

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

3. a description and probable value and character of the

property of the estate belonging to said absent person at the time

of his disappearance;

4. the name and address of the person for whom letters

testamentary or of administration are prayed;

5. the time and circumstances when the absentee was last seen

or heard from;

6. that the absentee has not been seen or heard from for a

continuous period of seven (7) years by the persons likely to have

seen or heard from the absentee (naming them and their relationship

to the absentee) and that the location of the absentee is unknown to

those persons and to the petitioner; and

7. a description of the search or the inquiry concerning the

location of the absentee.