"Learn how to craft an effective character reference letter for court proceedings with our comprehensive guide. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things.What parents and witnesses need to know about character reference letters to the court for child custody. Includes a downloadable sample and template. Defend a friend or family member's moral character in court. Use our Character Reference Letter for Court template to easily write your document. Such a letter should include any of the person's good qualities. If he is a generous person, volunteers, etc. Sample Format for a Character Letter. If you have been asked to write a character letter, this simple template may be a useful guide.