 Johann Ernst von Thun und Hohenstein

Johann Ernst Graf von Thun und Hohenstein (3 July 1643 – 20 April 1709) was Bishop of Seckau from 1679 to 1687 and Prince-archbishop of Salzburg from 1687 until his death.Born in Prague, Bohemia, he was a member of the Tyrolean Thun und Hohenstein noble family, elevated to the rank of Imperial Counts ("Reichsgrafen") in 1629.