Yes, Nataniel, Samuel and David had a brother Edward Morris Ornitz born 13 March 1889 Manhattan, NY, died 2 Oct 1953 Los Angelos, CA. In 1930 Census, he was shown to be a steel mill manager in Pittsburgh. (In the 1900 Census, he was referred to as Elias, but in the 1910,1920, as Edward and in the 1930 as Edward M and in the Soc Sec Death index as Edward Morris)