Okla. Stat. tit. 30, § 30-4-603
First appointment is exclusive
The guardianship which is first lawfully granted, of any person
residing without this state, extends to all the estate of the ward
within the same, and excludes the jurisdiction of the district court
of every other county.
R.L. 1910, § 6573. Renumbered from Title 58, § 771 by Laws 1988, c.
329, § 134, eff. Dec. 1, 1988.