/Conrad I Of Kujavia, Prince Of Mazovia
        /Kasimir Of Kujavia
       |    \Agafija Swjatoslavus Of Novgorod
    /Vladislav IV Of Kujavia, King Of Poland
   |   |    /Kasmir Of Oppeln
   |    \Euphrosyne Of Oppeln
   |        \Viola
Elizabeth Of Poland
   |        /Vladislav II Of Great Poland
   |    /Bogislaus Of Kalisch
   |   |    \Hedwig
    \Hedwig Of Poland
       |    /Bela IV Arpad
        \Helen Of Hungary
            \Maria Laskaris is NOT responsible for the content of the GEDCOMs uploaded through the WorldConnect Program. The creator of each GEDCOM is solely responsible for its content.