Wis. Stat. § 857.35: Notification of spouse.

If a personal representative who is not a surviving spouse becomes aware that any beneficiary other than the surviving spouse is designated to receive more than 50 percent of the proceeds of any life insurance policy or deferred employment benefit plan, the personal representative shall give the surviving spouse written information sufficient to identify the policy or plan and any beneficiary thereof. A surviving spouse may recover life insurance proceeds and deferred employment benefits under s. 766.70 (6).