Please accept my sympathy for your sad loss. To the family who have lost a child."I am deeply sorry for your loss. "When we lose a life on earth, we gain an angel in heaven. I'm so sorry for your loss, I'm praying for you, a simple hug, any of these things can be appropriate depending on the person. Compliment the one who is gone share a connection or memory you have with the child. It brought all those memories back when I heard your speech. I have a box of condolence cards that I cannot seem to throw away. "Sending healing prayers and comforting hugs. I am so sorry for your loss.