"John Jeffreys Pratt, 1st Marquess Camden" . "John Pratt, 1st Marquess Camden" . "Hon. John Pratt" . . "1840" . . "John Pratt, Earl Camden" . "Hon. John Jeffreys Pratt" . . . . . . "The Right Honourable
John Pratt
2nd '''Earl Camden'''" . . . . . . "John Pratt, Earl Camden." . . . "1st Marquess of Camden, John Pratt" . "The Marquess Camden" . "John Pratt" . "Lord Camden" . "Earl Camden" . "1759-02-11" . "John Jeffreys" . . "Viscount Bayham" . . "John Pratt
2nd '''Earl Camden'''" . . "John Pratt, Viscount Bayham" . . . "Earl Camden, the" . . . . "Earl of Camden" . . . . "the Earl of Camden" . . . "1759" . "2nd Earl Camden" . . . "Earl Camden, the Lord Lieutenant" . . . . "John Jeffreys Pratt, Viscount Bayham" . . "John Jeffreys Pratt, 2nd Earl Camden" . "John Pratt, 1st Marquess Camden" . "The Hon. John Jeffreys Pratt" . . . . "The Earl Camden" . . "John Jeffreys Pratt" . . "John Pratt, 2nd Earl Camden" . . "Camden" . . . .