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
Willie Hammerstein one-week engagements in 1912 and 1913, a good fit with the audience through her suggestion of notoriety. Hammerstein often booked acts from Europe, who sometimes made up half the show. He introduced the dancers Gertrude Hoffmann and Constance Stewart-Richardson to the vaudeville stage. A review in the "New York Dramatic Mirror" of 12 August 1905 gives a sense of the shows: Willie Hammerstein became known for his "freak acts". Typically these featured people who had scandalized the public and gained notoriety. Members of love triangles involving murders or suicides were popular, if one of their members was free to appear