Frederick Ponsonby, 3rd Earl of Bessborough
Frederick Ponsonby, 3rd Earl of Bessborough (24 January 1758 – 3 February 1844), styled the Viscount Duncannon from 1758–1793, was an Anglo-Irish peer.
John Manners, 4th Earl of Rutland
John Manners, 4th Earl of Rutland( c. 1559 – 24 February 1588) was the son of Henry Manners, 2nd Earl of Rutland, and Lady Margaret Neville, daughter of Ralph Neville, 4th Earl of Westmorland.
Walter Ponsonby, 7th Earl of Bessborough
Walter William Brabazon Ponsonby, 7th Earl of Bessborough( 13 August 1821 – 24 February 1906), was a British peer and member of the House of Lords.
He was the fifth son of John Ponsonby, 4th Earl of Bessborough, and his wife Lady Maria Fane.
He inherited the earldom on 11 March 1895 when his elder brother Frederick Ponsonby, 6th Earl of Bessborough, died unmarried and without a male heir.
Dermot Bourke, 7th Earl of Mayo
Dermot Robert Wyndham Bourke, 7th Earl of Mayo KP PC( I)( 2 July 1851 – 31 December 1927) was an Anglo- Irish peer, styled Lord Naas from 1867 to 1872.
He succeeded as Earl of Mayo on the death of his father Richard Bourke, 6th Earl of Mayo in 1872.
In 1890 he was elected as an Irish representative peer and took his seat in the House of Lords.
He was appointed a Knight of the Order of St Patrick on 3 February 1905.
He was one of the four landlord representatives during the 1902 Land Conference.
Between 1921 and 1922 he served in the Senate of Southern Ireland.
He was nominated by W. T. Cosgrave to the Seanad of the Irish Free State on its formation in 1922.
He was nominated for 12 years and served until his death in 1927.
His wife, Geraldine Sarah Ponsonby( d. 29 November 1944), was the granddaughter of John Ponsonby, 4th Earl of Bessborough, and the great- granddaughter of George Coventry, 8th Earl of Coventry.
John Ponsonby, 4th Earl of Bessborough
John William Ponsonby, 4th Earl of Bessborough, PC (31 August 1781 – 16 May 1847), known as Viscount Duncannon from 1793 to 1844, was a British Whig politician.
He was notably Home Secretary in 1834 and served as Lord Lieutenant of Ireland between 1846 and 1847, the first years of the Great Famine.
Spencer Ponsonby-Fane
Sir Spencer Cecil Brabazon Ponsonby-Fane, ("né" Ponsonby; 14 March 1824 – 1 December 1915) was an English cricketer and civil servant.
He was born in 1824 in Mayfair, the sixth son of John Ponsonby, 4th Earl of Bessborough.
Arthur Ponsonby, 11th Earl of Bessborough
Arthur Mountifort Longfield Ponsonby, 11th Earl of Bessborough( 11 December 1912 – 5 April 2002), was a British peer.
He was the son of Maj.
Hon. Cyril Myles Brabazon Ponsonby( 1881–1915), second son of Edward Ponsonby, 8th Earl of Bessborough, and his wife Rita Narcissa Longfield, daughter of Lt. Col. Mountifort John Courtenay Longfield.
He inherited the earldom on 5 December 1993 when his first cousin Frederick Ponsonby, 10th Earl of Bessborough, died without a male heir.
Myles Ponsonby, 12th Earl of Bessborough
Myles Fitzhugh Longfield Ponsonby, 12th Earl of Bessborough( born 16 February 1941), known as Viscount Duncannon from 1993 until 2002, is a British peer.
He is the son of Arthur Ponsonby, 11th Earl of Bessborough and Patricia, Countess of Bessborough, daughter of Col. Fitzhugh Lee Minnigerode.
Maria Ponsonby, Viscountess Duncannon
Maria Ponsonby, Viscountess Duncannon( 11 May 1787 – 19 March 1834), formerly Lady Maria Fane, was the wife of John Ponsonby, 4th Earl of Bessborough.
She died before he inherited the earldom and thus was never Countess of Bessborough, but three of her sons were successively earls of Bessborough.
She was the daughter of John Fane, 10th Earl of Westmorland, and his first wife, the former Sarah Anne Child.
Her brother was John Fane, 11th Earl of Westmorland, and her sisters were Sarah Villiers, Countess of Jersey( 1785 – 1867), Lady Augusta Fane( 1786–1871; later Lady Boringdon) and Lady Charlotte Fane( 1793 – 1822).
She married Ponsonby on 16 November 1805 at Berkeley Square, London, when he was known as Viscount Duncannon.
They had eight sons and six daughters.
Through her daughter Lady Augusta Gore, Viscountess Duncannon was the grandmother of sportsman Spencer Gore, who won the first Wimbledon singles title in 1877, and the Rt. Rev. Charles Gore, the Bishop of Oxford.
Their children were:
The viscountess died in 1834, aged 46, at her home in Cavendish Square, London.
Her husband survived her by thirteen years and died in May 1847, aged 65.
He was succeeded in the earldom by their eldest son, John, and subsequently by their younger sons Frederick and Walter.
Charles Ponsonby, 2nd Baron de Mauley
Charles Frederick Ashley Cooper Ponsonby, 2nd Baron de Mauley( 12 September 1815 – 24 August 1896), was a British peer and Liberal politician.
Ponsonby was the son of the first Lord de Mauley, third son of the third Earl of Bessborough, and Lady Barbara Ashley- Cooper, only child and heiress of the fifth Earl of Shaftesbury.
He attended Trinity College, Cambridge.
On 9 August 1838, he married his cousin, Lady Maria Ponsonby, a daughter of John Ponsonby, 4th Earl of Bessborough, and they had 10 children:

Question: When was John Ponsonby, 4Th Earl Of Bessborough's father born?
Answer: 24 January 1758