Use our Affidavit of Domicile form to verify the last home address of a deceased person to speed up the inheritance process. 3. No real property is included in the decedent's estate. 4.Name of Deceased had permanent legal residence at. An affidavit of domicile is a legal document that certifies the residence of a deceased person. All you have to do is fill out our easy-to-understand questionnaire. To start this process, file a Petition for Assignment with the probate court in the county where the decedent lived.