Earlier in the 1790's he secured posts as envoy to Brussels, Berlin, and Turkey.  
By the time he was released as a war hostage in 1806, his wife had left him, and Richard Payne Knight led the effort to remove him from his seat in Parliament.  The structure he then built on the corner of Park Lane and Piccadilly cost him some six thousand pounds.  Bryon wrote that he was "Cold as the crags upon his native coast," criticism that caused him to seek private life.  Earlier in the 1790's he secured posts as envoy to Brussels, Berlin, and Turkey.  After the British defeated Napoleon in Egypt, the Turkish sultan allowed him to obtain any sculpture that interested him.  FTP, name this man whose artifacts from Athens remain controversial.
By the time he was released as a war hostage in 1806, his wife had left him, and Richard Payne Knight led the effort to remove him from his seat in Parliament.  
Lord Elgin or Thomas Bruce or Lord Kincardine