Heinrich (Henry) II, (1107 - January 13, 1177), Count Palatine of the Rhine, 1140-1141, Margrave of Austria from 1141 to 1156 and, as Heinrich (Henry) XI, also Duke of Bavaria from 1141 to 1156, Duke of Austria, 1156-1177, was a prince of the Babenberg dynasty. As the son of Markgrave Leopold III, he first became Count Palatine of the Rhine until being appointed Duke of Bavaria and Margrave of Austria when his brother Leopold IV unexpectedly died. Wikipedia
The definitive Wikipedia entry for Henry II, Duke of Austria. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Henry_II,_Duke_of_Austria
The definitive Wikipedia entry for Henry II, Duke of Austria. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Henry_II%2c_Duke_of_Austria