The court has placed the most commonly used forms on line as a resource. Please be advised that the forms detailed below are intended to be a guide.Learn how to complete a marriage affidavit template with our stepbystep guide for newlyweds. A document in which you state some of your personal details, that your are single or you were married but you are divorced as well as your intention to marry. Marriage Affidavit Corrections (PDF); Gender X FAQs (PDF). Much confusion surrounds the need to submit I751 affidavits and how to write them. We explain and provide an I-751 affidavit sample. This office receives and processes all applications for matrimonial (divorce) proceedings in Kings County. This letter confirms the genuine marriage of two friends who have been married for several years. Complete and return the certificate.