No action for the recovery of any estate sold by a guardian can be maintained by the ward, or by any person claiming under him, unless it is commenced within three (3) years immediately following the termination of the guardianship or, when a legal disability to sue exists by reason of minority or otherwise, at the time when the cause of action accrues, within three (3) years immediately following the removal of such disability.
Okla. Stat. tit. 30, § 4-767