Son of Hezekiah Charles Ullman, a New York attorney, and Ella Adelaide Marsh, who previously was married to a man named John Fairbanks. Ullman left the family when Douglas was five years old.
Son-in-law of Charlotte Smith.
Suffered from depression as a child.
The Hollywood mansion he and Mary Pickford owned was called Pickfair.
Uncle of Lucile Fairbanks
Was Joe Shuster and Jerry Siegel's basis for the overall physical look of Superman.