Affidavit of Child in Support of Motion for an Order for Sibling Placement or Contact. These are the official forms for use in Family Court proceedings.Below, find a fill-in-the-blank template, as well a detailed example of a declaration letter. Keep in mind that court requirements and preferences vary. Each of the documents listed below inculde a blank form and the instructions to fill out that form. If there is a Children's Lawyer or Child Advocates office, ask them to investigate. Ask them to present an opinion on which parent is best. What are the best tips for writing a compelling character witness letter for child custody? Below is a selection of forms for various Franklin County Courts. Call the Franklin County Law Library at 614-525-4971 for assistance.