The legend is based on the life of the historical Saint Wenceslaus I, Duke of Bohemia or Svatý Václav in Czech (907–935). The name Wenceslas is a Latinised version of the old Czech language "Venceslav".
Judith of Bohemia (Judita) (- 2 June 1230), married to Bernhard von Spanheim, Duke of Carinthia. Anne of Bohemia (Anna Lehnická) (1204 - 23 June 1265), married to Henry II the Pious, High Duke of Poland. Anežka of Bohemia, died young. Wenceslaus I of Bohemia (Václav I.) (c. 1205 - 23 September 1253), became King of Bohemia.