Complex sentence: Rosa von Praunheim (stage name of "Holger Bernhard Bruno Mischwitzky" born November 25,1942, in Riga, Latvia) is a German film director, author, painter and gay rights activist.
Split into simpler sentences: Rosa von Praunheim (born November 25,1942), in Riga, Latvia. He is a German film director, author, painter and gay rights activist.