This free program will help you fill out the papers that you will need to file in Family Court. A parent or other legally responsible adult can ask Family Court for a support order for an adult dependent that is developmentally disabled.Spouse 1 must fill out an Affidavit in Support of Application to Proceed as a Poor. 1. Fill out a child support modification petition. 2. File the petition with the Family Court that most recently established your order. 3. You will need to complete Form 330 – Petition for Spousal Support and file it with the court. All court forms can be found on the Family Court website at. To schedule a consultation, call 718-514-9516 or contact us online. • You must have a divorce file in the Court of King's Bench to use this form. This online program from Family Legal Care guides you through filling out a Petition for Child Support.