Wisconsin Statutes Taxation (Ch. 70 to 79) § 75.41. Complaint

The complaint in such action shall contain: a description of all the lands the title to which is sought to be barred by such action; a statement that the county claims title to such lands under a deed made by the county clerk and a copy of such deed; the name or names of the former owner or owners of the several tracts of land described therein or the names of the persons claiming under such owner or owners, specifying the persons claiming each separate parcel thereof; and the amount of all delinquent taxes at the time the deed was issued.