Guillaume de Tonquédec. Actor: Der Vorname. Guillaume de Tonquédec was born on 18 October 1966 in Paris, France. He is an actor, known for Der Vorname (2012), Die zwei Leben der Veronika (1991) and Ruby & Quentin - Der Killer und die Klette (2003). He is married to Christele Marchal. They have three children.