This affidavit documents the cohabitation of two individuals for over ten years without being legally married. The Texas Department of Criminal Justice does not have a sample affidavit available online.This affidavit documents the cohabitation of a couple for over six years without being legally married. An affidavit of marriage is a legal document and a sworn statement submitted to the court or another institution, to verify that two people are married. Marriage license applications may be filled out and saved online. Social Security Number of Applicant: 6. If divorced, did divorce occur within the last 30 days? Commonlaw marriages have very specific requirements. The Affidavit of Support, Form I864, is a crucial document in the process of obtaining a marriage green card. Many forms in Texas are not available in a fill-in-the-blank format.