Okla. Stat. tit. 58, § 58-29: Contest before probate - Persons entitled

Any person interested may appear and contest the will. Devisees,

legatees or heirs of an estate may contest the will through their

guardians or attorneys appointed by themselves, or by the court for

that purpose; but a contest made by an attorney appointed by the

court does not bar a contest, after probate, by the party so

represented, if commenced within three (3) months from the date the

will was admitted to probate; nor does the nonappointment of an

attorney by the court of itself invalidate the probate of a will.