Sydney Spies's birth name is Sydney Elizabeth Spies.
Sydney Ackman's birth name is Sydney Ryan Ackman.
Sydney Dawn H Keith's birth name is Dawn Nicole Hall.
Syd Mead's birth name is Mead, Sydney Jay.
Sidney Carlyle's birth name is Sidney D. Carlyle.
Buster Fiddess's birth name is Leslie Anderson.
Liesbeth Spies's birth name is Jantje Wilhelmina Elisabeth Spies.
Simon Spies's birth name is Simon Ove Christian Ogilvie Spies.
Ruediger von Spies's birth name is Rdiger von Spies.
Sydney Fairbrother's birth name is Sydney Tapping.
Sydney Sidner's birth name is Kathryn Sydney Sidner.
Robin Sydney's birth name is Robin Sydney Heymsfield.
Sydney Streeter's birth name is Sydney Stanley Streeter.
Sydney Wong's birth name is Sydney Devonne Wong.
Sydney Wolofsky's birth name is Sydney Lynn Wolofsky.
Sydney Wiles's birth name is Sydney George Wiles.
Sydney Ackman's birth name is Sydney Ryan Ackman.
Sydney Ayres's birth name is Daniel Sydney Ayres.