Michael Constantine's birth name is Constantine Joanides.
Eddie Constantine's birth name is Israel Constantine.
Constantine Markoulakis's birth name is Constantine Markoulakis.
Brendan Constantine's birth name is Brendan Neil Constantine.
Susannah Constantine's birth name is Susannah Caroline Constantine.
Constantine Romanoff's birth name is George Constantine Romanoff.
Constantine Maroulis's birth name is Constantine James Maroulis.
Thea Constantine's birth name is Thea Eileen Constantine.
Dorothy Constantine's birth name is Dorothy Geotis.
King Constantine II's birth name is Constantine von Schleswig-Holstein-Sonderburg-Glcksburg.
Costa Dillon's birth name is Dillon, Constantine.
Michael Boston's birth name is Michael Griffin.
Johnny Unitas's birth name is Unitas, John Constantine.