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?Sample Format for a Character Letter. If you have been asked to write a character letter, this simple template may be a useful guide. 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. The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. It highlights some of the main points of emphasis judges look for. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. The first paragraph should tell the judge who you are writing to him about and how you know the defendant. You'd also want to say how long you have known her.