John George Joachim Slavata of Chlum and Košumberk Czech nobleman (1634–1689) Parents Františka Slavatová from Meggau Jáchym Oldřich Slavata Children Marie Agnes Agathe Gräfin Slavata Marie Josefa Černínová z Chudenic Marie Magdalena (Markéta), Gräfin Slavata z Chlumu a Kosumberka Siblings Johann Karl Joachim Graf von Slawata Anna Lucia Slavata Katharina Theresia, Gräfin Slawata z Chlumu a Kossumberka Ferdinand Wilhelm Slavata Partners Maria Margaretha Trautson, Gräfin zu Falkenstein