Biography of Judith St John-Mildmay Countess Radnor 1790-1851
Paternal Family Tree: St John Mildmay
Maternal Family Tree: Jane Mildmay
In 1784 [her grandfather] Henry St John-Mildmay 2nd Baronet (age 47) died. His son [her father] Henry Paulet St John-Mildmay 3rd Baronet (age 19) succeeded 3rd Baronet St John-Mildmay of Farley in Southampton.
In 1786 [her father] Henry Paulet St John-Mildmay 3rd Baronet (age 21) and [her mother] Jane Mildmay were married.
On 02 Apr 1790 [her sister] Maria St John-Mildmay Viscountess Bolingbroke and St John was born to [her father] Henry Paulet St John-Mildmay 3rd Baronet (age 25) and [her mother] Jane Mildmay. She was a twin with Judith St John-Mildmay Countess Radnor.
On 02 Apr 1790 Judith St John-Mildmay Countess Radnor was born to Henry Paulet St John-Mildmay 3rd Baronet (age 25) and Jane Mildmay. She was a twin with Maria St John-Mildmay Viscountess Bolingbroke and St John.
On 08 Apr 1791 [her brother] Paulet St John-Mildmay was born to [her father] Henry Paulet St John-Mildmay 3rd Baronet (age 26) and [her mother] Jane Mildmay. She was a twin with Judith St John-Mildmay Countess Radnor (age 1).
On 20 Apr 1792 [her brother] Captain George William St John-Mildmay was born to [her father] Henry Paulet St John-Mildmay 3rd Baronet (age 27) and [her mother] Jane Mildmay. She was a twin with Judith St John-Mildmay Countess Radnor (age 2).
On 02 Oct 1800 [her future husband] William Pleydell-Bouverie 3rd Earl Radnor (age 21) and Catherine Pelham-Clinton (age 24) were married. He the son of Jacob Pleydell-Bouverie 2nd Earl Radnor (age 50) and Anne Duncombe Countess Radnor (age 42). She a great x 3 granddaughter of King Charles II of England Scotland and Ireland. 
On 11 Nov 1808 [her father] Henry Paulet St John-Mildmay 3rd Baronet (age 44) died. His son [her brother] Henry St John-Mildmay 4th Baronet (age 21) succeeded 4th Baronet St John-Mildmay of Farley in Southampton.
On 24 May 1814 William Pleydell-Bouverie 3rd Earl Radnor (age 35) and Judith St John-Mildmay Countess Radnor (age 24) were married. He the son of Jacob Pleydell-Bouverie 2nd Earl Radnor (age 64) and Anne Duncombe Countess Radnor (age 56).
On 18 Sep 1815 [her son] Jacob Pleydell-Bouverie 4th Earl Radnor was born to [her husband] William Pleydell-Bouverie 3rd Earl Radnor (age 36) and Judith St John-Mildmay Countess Radnor (age 25).
On 16 Jan 1817 [her daughter] Ann Maria Pleydell-Bouverie was born to [her husband] William Pleydell-Bouverie 3rd Earl Radnor (age 37) and Judith St John-Mildmay Countess Radnor (age 26).
On 26 Apr 1818 [her son] Edward Pleydell-Bouverie was born to [her husband] William Pleydell-Bouverie 3rd Earl Radnor (age 38) and Judith St John-Mildmay Countess Radnor (age 28).
In Apr 1819 [her daughter] Jane Harriet Pleydell-Bouverie was born to [her husband] William Pleydell-Bouverie 3rd Earl Radnor (age 39) and Judith St John-Mildmay Countess Radnor (age 28).
On 18 Jul 1825 [her daughter] Ann Maria Pleydell-Bouverie (age 8) died.
On 22 Dec 1825 [her daughter] Mary Pleydell-Bouverie was born to [her husband] William Pleydell-Bouverie 3rd Earl Radnor (age 46) and Judith St John-Mildmay Countess Radnor (age 35).
On 27 Jan 1828 [her father-in-law] Jacob Pleydell-Bouverie 2nd Earl Radnor (age 77) died. His son [her husband] William Pleydell-Bouverie 3rd Earl Radnor (age 48) succeeded 3rd Earl Radnor, 4th Viscount Folkestone, 4th Baron Longford, 6th Baronet Bouverie of St Catherine Cree Church in London. Judith St John-Mildmay Countess Radnor (age 37) by marriage Countess Radnor.
On 26 Jun 1832 [her son] Stillborn Pleydell-Bouverie was born to [her husband] William Pleydell-Bouverie 3rd Earl Radnor (age 53) and Judith St John-Mildmay Countess Radnor (age 42).
On 30 Oct 1840 [her son] Jacob Pleydell-Bouverie 4th Earl Radnor (age 25) and [her daughter-in-law] Mary Augusta Frederica Grimston Countess Radnor (age 19) were married. She the daughter of James Walter Grimston 1st Earl Verulam (age 65) and Charlotte Jenkinson Countess Verulam. He the son of William Pleydell-Bouverie 3rd Earl Radnor (age 61) and Judith St John-Mildmay Countess Radnor (age 50).
On 01 Nov 1842 [her son] Edward Pleydell-Bouverie (age 24) and [her daughter-in-law] Elizabeth Anne Balfour (age 22) were married. He the son of William Pleydell-Bouverie 3rd Earl Radnor (age 63) and Judith St John-Mildmay Countess Radnor (age 52).
On 05 Nov 1850 [her brother-in-law] Duncombe Pleydell-Bouverie (age 70) died.
On 27 Apr 1851 Judith St John-Mildmay Countess Radnor (age 61) died.
On 09 Apr 1869 [her former husband] William Pleydell-Bouverie 3rd Earl Radnor (age 89) died. His son [her son] Jacob Pleydell-Bouverie 4th Earl Radnor (age 53) succeeded 4th Earl Radnor, 5th Viscount Folkestone, 5th Baron Longford, 7th Baronet Bouverie of St Catherine Cree Church in London. [her daughter-in-law] Mary Augusta Frederica Grimston Countess Radnor (age 47) by marriage Countess Radnor.
Great x 1 Grandfather: Paulet St John 1st Baronet 
GrandFather: Henry St John-Mildmay 2nd Baronet
Father: Henry Paulet St John-Mildmay 3rd Baronet
Great x 1 Grandfather: Abraham Tucker of Betchworth Castle
GrandMother: Dorothy Maria Tucker Lady St John Mildmay
Judith St John-Mildmay Countess Radnor
GrandFather: Carew Milday of Shawford House in Hampshire
Mother: Jane Mildmay