- Longtime companion of Muriel Baumeister since 2003. Their daughter Frieda was born on 14 March 2006.
- Has dual citizenship of Germany and Switzerland.
- Uncle of Anna Thalbach.
- Son of Ursula Karusseit, stepson of Johannes Wegner.
- Son of Benno Besson, stepson of Coline Serreau.
- Separated from Muriel Baumeister in spring 2006.
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