Desc: Streit um den Knaben Jo: Directed by Erich Waschneck. With Lil Dagover, Willy Fritsch, Mária Tasnádi Fekete, Eberhard Itzenplitz. The boys Jo and Erwin, born on the same date, may have been switched at birth. When Erwin's mother Leontine consults experts to find the truth the boys meet, are afraid of being re-switched and run away from their homes.