Wis. Stat. § 859.31: Compromise of claims.

When a claim against the estate has been filed or suit thereon is pending, the creditor and personal representative may, if it appears for the best interests of the estate, compromise the claim, whether due or not due, absolute or contingent, liquidated or unliquidated; but if an objection to the claim has been filed by a person interested no compromise of the claim may be made without the consent of the objector.