Chores take energy. Offer to take care of pets, flowers, shovel snow, mow the lawn, pick up a grocery list on your way to the supermarket. Food preparation takes time, and energy, and families in crisis don't have much left. Baked goods, homemade soups, and casseroles are especially helpful. Cards, letters, and personal visits to the family helps them that they are not forgotten.
Transportation can become a major issue.
Organize a transportation pool. Trustworthy baby-sitting can be a great help. Transportation to and from school for children in the family can become another major issue. If a family member confides in you, keep it in confidence.