Marie married Leopold IV ( duke of Barvaria) Austria on 29 Sep 1138 in , Praha, Praha, Czechoslovakia. Leopold (son of Saint Leopold III Margrave of Austria (maid. name House of Babenberg) and Agnes Imperial Princess of Germany (maid. name Welf)) was born in 1108 in Klosterneuburg, Niederosterreich, Austria; died on 18 Oct 1141. [Group Sheet] [Family Chart]