What do you do when your attorney dies?

My sister is in the middle of a custody battle. She was waiting to see if a decision had been made. She read in the obituaries today that her attorney died 2 days ago!! She has been trying to call his office to speak with his secretary but no one is answering. No other attorneys work in that office. Its a private practice with just himself and his one secretary. She called the court house and other attorneys but they all keep telling her they dont know what she needs to do. She has no way of knowing if a decision has been made or anything. Anyone had a similar situation? What does she do??? Thanks in advance!!