His father, Friedhelm Osselmann, played water polo for West Germany at the 1956 and 1960 Olympics, whereas his mother, Birgit Klomp, competed in swimming at the 1956 Games.
Birgit Nilsson | Birgit Hein | Birgit Prinz | Birgit Großhennig | Birgit Bidder | Birgit Vanderbeke | Birgit Schuurman | Birgit Minichmayr | Birgit Cullberg | Birgit Strøm | Birgit Schrowange | Birgit Ridderstedt | Birgit Õigemeel | Birgit Klomp | Birgit Hogefeld |