Background
Johann Karl was born at Prague, Kingdom of Bohemia as the elder son of Count Wenzel Chotek of Chotkow and Wognin (1674–1754) and Maria Theresa Scheidler of Scheidlen (1684–1709).
Johann Karl was born at Prague, Kingdom of Bohemia as the elder son of Count Wenzel Chotek of Chotkow and Wognin (1674–1754) and Maria Theresa Scheidler of Scheidlen (1684–1709).
He came of an old Bohemian noble family, with residence in Choczkow at Radnice (Plzeň Region). His father held the position of Austrian Stadtholder of the Kingdom of Bohemia from 1735–1738. He was Imperial Governor and field-marshal of the Upper Palatinate.
Then he was a Bohemian-Austrian Imperial Director and chancellor In 1753, Empress Maria Theresa gave him the Palais Strozzi in the Josefstadt (Vienna), he ordered the building of a new wing.
Further expansion plans and the Seven Years" War, however, forced him to sell large part of the garden. He was a Knight of Saint Wenzel Order.