At that time, the 16-year-old Elina was forced by the Emperor Rudolf to serve as guinea pig for a life-extending elixir.

Kunigunde then flees with Zawisch, to seek protection from the Emperor Rudolf.

He also negotiated with Emperor Rudolf.

However, he found support in Archduke Matthias, who at that time had set out to wrest the government from his brother Emperor Rudolf.

The powers of the abbot were gradually limited and in 1277 the Emperor Rudolf I gave the town a charter of liberties.

Having to face this new threat, Michael asked Emperor Rudolf to become the sovereign of Wallachia.

As the Diet was assembled, Michael demanded that the estates swear loyalty to Emperor Rudolf, then to himself and thirdly to his son.

What they emphasized, apart from the exceptional personality of Michael himself, were the idea of Christendom and his close relations with Emperor Rudolf.

And he took Transylvania and gave it to Emperor Rudolf".

It's a manuscript of Roger Bacon," he said to me, "and was lent me by the Emperor Rudolf.