Use our I130 affidavit sample and tips to create a strong affidavit for your spouse. Include these key points and avoid common mistakes.Much confusion surrounds the need to submit I751 affidavits and how to write them. We explain and provide an I-751 affidavit sample. We are thinking of submitting some proof of bona fide marriage. Can anyone recommend a good witness affidavit template that we could use? Review the attached 3-page DPR Affidavit. 2. Type or print the information on the lines shown, except for those lines indicating signatures. Florida family law attorney Chris LaFrance walks you through how to properly fill out a Florida financial affidavit.