Leopold's brother Henry (surnamed Jasomirgott from his favourite oath, "So help me God!") was made count palatine of the Rhine in 1140, and became margrave of Austria on Leopold's death in 1141.
Von Ferstel (1828-1883), containing the tombs of the count of Starhemberg, the defender of Vienna against the Turks in 1683, and of Duke Heinrich Jasomirgott (d.
This struggle ended in May 1142 when Henry was invested as duke of Saxony at Frankfort, and Bavaria was given to Henry II., Jasomirgott, margrave of Austria, who married his mother Gertrude.
Frederick was unable at first to persuade Henry Jasomirgott to abandon Bavaria, but in June 1154 he recognized the claim of Henry the Lion, who accompanied him on his first Italian campaign and distinguished himself in suppressing a rising at Rome, Henry's formal investiture as duke of Bavaria taking place in September 1156 on the emperor's return to Germany.
When Leopold died in 1141, the king retained the duchy himself; but it continued to be the scene of considerable disorder, and in 1143 he entrusted it to Henry II., surnamed Jasomirgott, margrave of Austria.
Saxony, with the assent of Albert the Bear, was granted by Conrad to Henry the Lion, and Bavaria was given to Henry Jasomirgott, who had just succeeded his brother Leopold as margrave of Austria.
The promise that Bavaria should be granted to Henry the Lion was not easily fulfilled, as Henry Jasomirgott refused to give up the duchy.
Henry Jasomirgott then renounced Bavaria, and Henry the Lion became its duke.
Peace was made at Frankfort in May 1142, when Henry the Lion, son of Henry the Proud, was confirmed in the duchy of Saxony, while Bavaria was given to Conrad's step-brother Henry Jasomirgott, margrave of Austria, who married Gertrude, the widow of Henry the Proud.
Jasomirgott, margrave of Austria, to Henry the Lion, duke of Saxony; and the former was pacified by the erection of his margraviate into a duchy, while Frederick's step-brother Conrad was invested with the Palatinate of the Rhine.