Leopold IV, Duke of Austria

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Duke Leopold IV of Austria, Duke of Further Austria (born 1371; died June 3, 1411 in Vienna) was an Austrian Habsburg Duke of the Leopoldinian Line.

He was the second son of Leopold III. His eldest brother Duke William of Inner Austria took him as his effective co-ruler, putting him in particular charge of Further Austria, which also meant ancestral Habsburg lands in Swiss Aargau etc. Leopold was to face Swiss opposition to Austrian administration. From 1391 onwards, he was the effective ruler of Further Austria, and from 1396 to 1406 he was ruler in Tyrol too.

He married Catherine de Valois of Burgundy, daughter of Philip II, Duke of Burgundy, in 1393. She died in 1425, and they had no surviving children.

His younger brothers duke Ernest the Iron and duke Frederick were, for the time being, left to grow up. They were initiated with ducal positions in 1402. In 1406 their eldest brother Duke William died without leaving heirs, and Leopold became the next head of their family. Unfortunately, Leopold had no sons either. The younger brothers made an agreement how to divide the patrimony in the future: Ernest was to receive Inner Austria and Frederick Further Austria, including Tyrol. Ernest took the reins in Styria, etc. Frederick was only barely in his twenties, but was put in charge in Tyrol. Leopold was left with responsibility of the Further Austrian territories, together with the position of head of the family.

In 1406, Leopold took over the guardianship of their young cousin Albert V, which resulted in conflicts with his brother Ernest.

Leopold is buried in the Ducal Crypt in the Stephansdom in Vienna.

Preceded by: Leopold III, duke of Inner Austria

Duke of Further Austria 1386-1411 jointly with duke William (Inner Austria) until 1406

Succeeded by: Frederick IV, duke of Further Austria