Sidney Marion's birth name is Sidney Marienberg.
Marion Dean's birth name is Marion Dean Patterson IV.
Sidney Carlyle's birth name is Sidney D. Carlyle.
Sidney Magal's birth name is Magalhes, Sidney.
Sidney Sheldon's birth name is Sidney Schechtel.
Sidney Catlett's birth name is Sidney Catlett.
Sidney Torch's birth name is Sidney Torchinsky.
Sidney Moncrief's birth name is Sidney A. Moncrief.
Sidney Arodin's birth name is Sidney Arnondrin.
Sidney Kingsley's birth name is Sidney Kirshner.
Marion Sheldon's birth name is Marion Whittmore.
Marion Sherry's birth name is Marion Richards.
Marion Shilling's birth name is Schilling, Marion.