Use our Affidavit of Domicile form to verify the last home address of a deceased person to speed up the inheritance process. An Affidavit of Domicile is a concise legal document affirming a deceased person's primary place of residence at the time of death.Decedent's Information: Fill in the full name, date of birth, and date of death of the decedent. An affidavit of domicile is a legal document that certifies the residence of a deceased person. Name of Deceased had permanent legal residence at. Step 1: Collect information. Step 2: Fill out the packet.