An Archduke. :)
No, he is Monagasque.
Archduke
Gavrilo Princip
Prince Metternich
No it is not Austrian, it is actually a German and Ashkenazic Jewish surname
There is no such language as "Austrian" but if you mean German, the name James is spelled "Jakob" in German.
Prince Klemens von Metternich
Gregor Mendell was an Austrian Monk, living in a monastary in Austria. He was religious and did his work since he was the gardener of the monastary. Therefore since he was Austrian, the name Mendell is an Austrian name.
Austrian
He was born in Koblenz (Germany), so he was German, but also had a bit of Austrian blood in him.
clemans von Metternich
Mainly killing of Austrian Prince by some serbian extremists.