Steffi Ronau was born on February 25, 1907 in Breslau, Silesia, Germany [now Wroclaw, Dolnoslaskie, Poland] as Stefanie Rosenbaum. She was an actress, known for Vater einer Tochter (1966) and Vater einer Tochter (1979). She died on January 11, 1995 in Berlin, Germany.