Baron Knapton is in Baron Ireland.
In 1750 John Vesey 1st Baron Knapton was created 1st Baron Knapton
In 1761 John Vesey 1st Baron Knapton died. His son Thomas [aged 26] succeeded 2nd Baron Knapton, 3rd Baronet Vesey of Abbeyleix.
On 13th October 1804 Thomas Vesey 1st Viscount Vesci [aged 69] died. His son John [aged 33] succeeded 2nd Viscount Vesci of Abbeyleix in Queen's County, 3rd Baron Knapton, 4th Baronet Vesey of Abbeyleix.
On 19th October 1855 John Vesey 2nd Viscount Vesci [aged 84] died. His son Thomas [aged 52] succeeded 3rd Viscount Vesci of Abbeyleix in Queen's County, 4th Baron Knapton, 5th Baronet Vesey of Abbeyleix.
On 23rd December 1875 Thomas Vesey 3rd Viscount Vesci [aged 72] died. His son John [aged 31] succeeded 4th Viscount Vesci of Abbeyleix in Queen's County, 5th Baron Knapton, 6th Baronet Vesey of Abbeyleix. Evelyn Charteris Viscountess Vesci [aged 26] by marriage Viscountess Vesci of Abbeyleix in Queen's County.
On 6th July 1903 John "Yvo" Vesey 4th Viscount Vesci [aged 59] died without male issue. His nephew Yvo [aged 21] succeeded 5th Viscount Vesci of Abbeyleix in Queen's County, 6th Baron Knapton, 7th Baronet Vesey of Abbeyleix. Susan Armstrong-Jones Viscountess Vesci by marriage Viscountess Vesci of Abbeyleix in Queen's County.
On 16th August 1958 Yvo Vesey 5th Viscount de Vesci [aged 76] died. His nephew John [aged 39] succeeded 6th Viscount Vesci of Abbeyleix in Queen's County, 7th Baron Knapton, 8th Baronet Vesey of Abbeyleix.