The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. Your letter should be concise and direct.Keep it under one page. 6. Defend a friend or family member's moral character in court. Use our Character Reference Letter for Court template to easily write your document. If you've been asked to write to the judge, use our sample character reference letter and fill-in-the-blank template. What's a character reference letter? In this article, we will discuss how to write a formal letter to a judge, along with the proper format and a sample letter. Anything that can confuse judges in ruling in favor of a parent. A character letter is designed to show support for a defendant in a criminal case.