Use our I130 affidavit sample and tips to create a strong affidavit for your spouse. Include these key points and avoid common mistakes.I am about to file for my husband and need sample of affidavit of third parties acknowledging the marital union. Does the affidavit have to be from each person? Learn how to complete a marriage affidavit template with our stepbystep guide for newlyweds. Much confusion surrounds the need to submit I751 affidavits and how to write them. We explain and provide an I-751 affidavit sample. Search all USCIS forms. File your form online for a more convenient and secure experience. In this lesson, you will learn what an affidavit is and how to format one.