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Jaroslav Sabata was born on November 2, 1927, in Dolnice, Czechoslovakia.
Jaroslav Doubrava was born on February 2, 1921, in Litovel, Czechoslovakia (now Czech Republic).
Jaroslav Foglar has written:
'Jaroslav Foglar'
Jaroslav Tuzar was born on March 2, 1908, in Trutnov, Bohemia, Austria-Hungary (now Czech Republic).
Jaroslav Weigel was born on January 2, 1931, in Rychnov nad Kneznou, Czechoslovakia. [now in Czech Republic].