In this article, we will discuss how to write a formal letter to a judge, along with the proper format and a sample letter. There's not time to read all that comes before a judge to read. 2.Writing a character letter for a judge can be a daunting task. Here are nine essential tips for writing an effective sentencing letter. You cannot write a letter to the family court judge. This would be considered an ex parte communication. What is a conservatorship? A Conservatorship is a court proceeding in which a judge appoints a family member, friend or other responsible person. I am writing this letter on behalf of a family member mine who is presently before you on criminal charges and is due to be sentenced shortly. What parents and witnesses need to know about character reference letters to the court for child custody.