Wis. Stat. § 786.12: Wards; acquisition or other disposal of real estate.

Under this chapter, the court in which a guardian has been appointed for a minor or an individual adjudicated incompetent may, in addition to the provisions of this chapter, make any disposition of the real estate of the ward or authorize the purchase in the name of the ward of any real estate in this state if the court determines that the proposed disposition or purchase will substantially promote the interests of the ward.