Complex sentence: Peter Basch was born in Berlin, Germany, the only child of Felix Basch and Grete Basch-Freund, both prominent theater and film personalities of the German-speaking world.
Split into simpler sentences: Peter Basch was born in Berlin, Germany. Peter was the only child of Felix Basch and Grete Basch-Freund, both prominent theater and film personalities of the German-speaking world.