Background
She was the daughter of count Leopold III, Margrave of Austria, and his wife Agnes of Germany. Through her mother, she was a half-sister of Conrad III of Germany, thus a good catch for Vladislaus.
Duke of Bohemia Duchess of Bohemia
She was the daughter of count Leopold III, Margrave of Austria, and his wife Agnes of Germany. Through her mother, she was a half-sister of Conrad III of Germany, thus a good catch for Vladislaus.
Gertrude married the Duke of Bohemia in 1140. She gave birth to four children and died in 1150 at the age of 30 in Prague. Frederick, Duke of Bohemia Svatopluk, married a daughter of Géza II of Hungary Vojtĕch, Archbishop of Salzburg as Adalbert III of Bohemia Agnes (died 7 June 1228), abbess of Street George of Prague.
At the time of siege of Prague by Conrad II of Znojmo (1142), she successfully defended Prague Castle with the help of her brother-in-law Děpold while Vladislaus sought assistance from Conrad III of Germany.