He created the Lands of the Bohemian Crown.

The Bohemian Crown was neither a personal union nor a federation of equal members.

The town and the duchy was part of Lands of the Bohemian Crown in years 1342 - 1742.

The disputed area was part of the historic lands of Bohemian Crown.

The duchy fell to the Bohemian Crown as a vacant fief.

Before the war about 151,000 farmsteads existed in the Lands of Bohemian Crown, while by the year 1648 only 50,000 remained.

Both marriages made him one of the wealthiest men in the Bohemian Crown.

In the 14th century alterations were made to the castle, which was reacquired by the Bohemian Crown in 1410.

In 1372, he sold Babenhausen for 4000 guilders to the Bohemian Crown.

From 1333 he administered the lands of the Bohemian Crown due to his father's frequent absence and deteriorating eyesight.