Koos Speenhoff was born on October 23, 1869 in Rotterdam, Zuid-Holland, Netherlands. He was an actor and writer, known for Geeft ons kracht (1920), Mottige Janus (1922) and Artistenrevue (1926). He was married to Cesarine Prinz. He died on March 3, 1945 in The Hague, Zuid-Holland.