No, he is Monagasque.
An Archduke. :)
Archduke
Gavrilo Princip
Prince Metternich
Prince Klemens von Metternich
He was born in Koblenz (Germany), so he was German, but also had a bit of Austrian blood in him.
Mainly killing of Austrian Prince by some serbian extremists.
Clemens von Metternich
clemans von Metternich
Klemens Wenzel von Metternich.
Archduke ... good luck with the crossword