Viscounts Knollys First holder Francis Knollys, 1st viscount Knollys * 1837 Records #4 Holders Family filter On/Off 1 Francis Knollys, 1st viscount Knollys * 1837 2 Edward George William Tyrwhitt Knollys, 2nd viscount Knollys * 1895 3 David Francis Dudley Knollys, 3rd viscount Knollys * 1931 4 Patrick Nicholas Mark Knollys, 4th viscount Knollys * 1962 Corrections and Updates To suggest a correction or an update. Click Here