Frstin Von Siebenbrgen, Maria Christierna b. November 10, 1574 d. April 6, 1621 Austrian Royalty. Archduchess, daughter of Karl II of Austria (Habsbourg) Duke of Styrie, and his wife Maria De Bavière (Wittelsbach) Duchesse of Steiemark. Married to Sigismund Bathory, ruler of Transsylvania. When the marriage was anulled by the Vatican, she entered a monastery in Hall, Tyrol, where she became abbess in 1612. (Bio by: MC) Jesuitenkirche, Hall, Tyrol (Tirol), Austria