Complex sentence: Von Arendt was born in Görlitz, Kingdom of Prussia on 19 July 1898, and became a stage designer; he joined the SS in 1931 and the NSDAP in 1932.
Split into simpler sentences: Von Arendt was born in Görlitz, Kingdom of Prussia on 19 July 1898. He joined the SS in 1931 and the NSDAP in 1932.