In this article, we will discuss how to write a formal letter to a judge, along with the proper format and a sample letter. Sadly, I am asking for your leniency in sentencing me and plea that your sentence be merciful and not punitive.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. Your Honor, I am writing you concerning my sentencing hearing. I understand that I have made a decision that will impact my entire life. A character letter is a letter of support from people who know you to help show judges and DAs the positive sides of you. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. The letter should include the name of the court your case was filed in and the case number at the top right. Put the caption (St. v.