HannahI am so deeply sorry for the loss of that childyour lossyou lost her, too. Be sincere and express your feelings of sympathy.The kindest thing you can do is simply say 'I am so very sorry for your loss.' or 'Please accept my most sincere condolences on your loss.' Sign off your sympathy card with something simple like "love" or "sincerely. I love you, and I'm sending my condolences. My family and I are so sorry for your loss. There are six ingredients to a beautiful condolence letter. "When we lose a life on earth, we gain an angel in heaven. The first thing you need to remember is that you do not want to focus on the manner of the death of the person. Our lives are filled with missing you, each day throughout the years.