Dorothy Hammerstein spouses to marry in 1929. Oscar also had two children from his first marriage: William Hammerstein and Alice Mathias. His marriage to Dorothy lasted until his death in 1960. They had a son together, James Hammerstein. Between the 1930s and the 1950s she operated Dorothy Hammerstein Inc, a high-profile interior design business, with clients on both coasts of the United States. In 1949, along with her husband and the novelists Pearl S. Buck and James A. Michener, she was a founder of Welcome House, an organization that facilitates the adoption of children of American and Asian parents. From its inception
Mike Hammerstein the 1984 season, Hammerstein registered 53 tackles, two fumble recoveries, and an interception. In his final year at Michigan, Hammerstein started all 12 games at defensive tackle. Hammerstein was paired on the defensive line with Mark Messner in 1985. Led by Hammerstein and Messner, the 1985 team went 10-1-1 and finished the year ranked #2 in the nation. The defense has been described as the best defense in the history of Michigan football. During the 1985 season, he tied Michigan's single season record for tackles for losses with 23 and set the record for yardage lost, sacking opponents for 112