Jochen Kowalski was born in Wachow, Nauen District, Bezirk Potsdam, in East Germany (now a small village belonging to the city of Nauen), as the son of a butcher.
Jochen Kowalski was born in Wachow, a village within the Nauen district of Potsdam, which is now part of the city of Nauen, in East Germany. His father was a butcher.