If you include a cause of death in the letter, mention it briefly. The purpose of a condolence letter is to offer comfort, support, and sympathy to someone who has experienced a loss, and going through hard times.Our mutual friend, XXX let me know of your bereavement. I was very sorry to hear of XXX's passing. Please know that I'm here for you if you need anything. Tips and examples writing a condolence letter for job loss. Includes multiple examples for different contexts. " "We would like to express our sincere condolences to you and your family.