Wis. Stat. § 889.243: Witnesses, how subpoenaed; neglect to appear.

The court before whom any conveyance may be presented to be proved, as provided in ss. 889.24 to 889.243, may issue subpoenas to the subscribing witnesses or others, as required, to appear and testify touching the execution of such deed, which subpoenas may be served in any part of this state; and every person so subpoenaed who, without reasonable cause, neglects to appear or refuses to answer on oath touching the matters aforesaid shall be liable to the party injured in the sum of $100 damages and for such further damages as the party may sustain thereby, and may also be punished as for a contempt by the court.