Wis. Stat. § 856.11

When a petition for administration is filed, the court shall set a time for proving the will, if any, for determination of heirship and for the appointment of a personal representative. Notice of hearing on the petition shall be given as provided in s. 879.03 with the additional requirement that when any person interested is represented by a guardian ad litem, notice shall be given to both the person interested and the person’s guardian ad litem. A copy of the will which is being presented for proof shall be sent to all persons interested, except those whose only interest is as a beneficiary of a monetary bequest or a bequest or devise of specific property. To those persons a notice of the nature and amount of the devise or bequest shall be sent.