Compliment the one who is gone share a connection or memory you have with the child. "I am deeply sorry for your loss.Be sincere and express your feelings of sympathy. Make sure you include the name of the person who died or mention the specific incident that caused sorrow for the person. Please accept my sympathy for your sad loss. To the family who have lost a child. A letter offering sympathy for the death of a child respectfully acknowledges the reader's misfortune while offering comfort and support. Meaningful, personal, and compassionate letters of condolence can be both a tribute to the child who died and a source of comfort to the parents. I am writing this letter concerning the tragic death, last week, of Travis Trowbridge. First I would like to express my deep sympathy to his family.