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.This program guides you step-by-step through court forms on any computer or mobile device. Answer a few simple questions and receive a completed PDF document. Do you need to file a Child Custody Affidavit? Learn how to process it and how to file for temporary custody from this article. Everything you need to write a declaration letter to the judge in your custody case: an example, a downloadable template, an outline and tips. Intheblanks form required for any matter originating and electronically filed in Supreme or Surrogate's Courts in Richmond County. I was asked to complete an affidavit as to what I have witnessed regarding her relationship with her child and how much time the dad has spent with the child.