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Wisconsin Self-Proving Affidavit Form

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Wisconsin Self-Proving Affidavit Form

Updated August 02, 2023

A Wisconsin self-proving affidavit form is executed by the testator and the two (2) witnesses of a last will and testament to expedite the probate process when the testator’s property is distributed. On the document, which must be signed in the presence of a notarial officer, the three (3) individuals make a sworn statement to the effect that the testator willingly signed their will and that they were of sufficient mental capacity to do so. Once the affidavit has been signed, notarized, and attached to the will, it will act as sworn testimony on the part of the witnesses and, therefore, they will not need to be called into court to attest the will.


  • Statute§ 853-04
  • Signing Requirements – Two (2) witnesses and a notary public.

How to Write

Step 1 – Download in PDFMS Word (.docx) or OpenDocument.

Step 2 – On the Wisconsin Self-Proving Affidavit, the Testator will need to provide their Name and the Date in the appropriate spaces at the top of the form.

Step 3 – Next, the Testator will have to provide their Signature with the Notary Public present.

Step 4 – The two (2) Witnesses will be required to sign the document as well and must enter their names in the two (2) blank spaces highlighted in the image below.

Step 5 – Both Witnesses must sign the document in the presence of the Notary Public.

Step 6 – After witnessing the signatures of the Testator and Two (2) Witnesses, the Notary Public will complete the “Notary Acknowledgment” portion of the Affidavit by supplying their Location, the Testator’s Name, the Names of the Two (2) Witnesses, and the Date of Acknowledgment in the appropriate fields. Next, the Notary will complete their validation by providing their Notary Signature, Printed Name, and Notary Seal.