Up to the 12th century, Brunswick was ruled by the Saxon noble family of the Brunonids, then, through marriage, it fell to the House of Welf. In 1142, Henry the Lion of the House of Welf became duke of Saxony and made Braunschweig the capital of his state (which, from 1156 on, also included the Duchy of Bavaria). He turned Dankwarderode Castle, the residence of the counts of Brunswick, into his own "Pfalz" and developed the city further to represent his authority. Under Henry's rule, the Cathedral of St. Blasius was built and he also had the statue of a lion, his heraldic animal, erected in front of the castle. The lion subsequently became the city's landmark.