By order of the Elector, Ursula married Colonel Rudolf of Neidschutz, who officially appears as the father of Billa, though there were rumors that Billa was in fact the child of Johann George.
Din ordinul Electorului, Ursula s-a căsătorit cu colonelul Rudolf de Neidschutz, care oficial apare drept tatăl Sibyllei, deși au existat zvonuri că Billa ar fi fost de fapt copilul lui Johann George.