Heinrich married Konstantie, Princess Of Austria And Of S, YRIA on 1 May 1234 in Stadlau, Wien, AUSTRIA. Konstantie, (daughter of Leopold Vi "the Austria and Theodora Angelina, [PRINCESS OF THE) was born on 6 May 1212 in Of, Steiermark, AUSTRIA; died before 5 Jun 1243; was buried in Altzelle Kloster, Dresden, SAXONY. [Group Sheet] [Family Chart]