Elizabeth Conyngham, Marchioness Conyngham
Elizabeth Conyngham ("née" Denison), Marchioness Conyngham (31 July 1769 – 11 October 1861), was an English courtier and noblewoman.
She was the last mistress of George IV of the United Kingdom.
Anu Bradford
Anu Bradford is a Henry L. Moses Distinguished Professor of Law and International Organization at the Columbia Law School.
William H. F. Brothers
William Henry Francis( April 7, 1886-1979), also William Henry Francis Brothers with his matronymic surname added, was an Old Catholic Benedictine, advocate for the immigrant, worker and the poor.
George Conyngham, 3rd Marquess Conyngham
George Henry Conyngham, 3rd Marquess Conyngham( 3 February 1825 – 2 June 1882), styled Earl of Mount Charles from 1832 to 1876, was a British peer and soldier.
Frederick Conyngham, 7th Marquess Conyngham
Frederick William Henry Francis Conyngham, 7th Marquess Conyngham( 13 March 1924 – 3 March 2009), known among friends and family as" Mount", was an Irish nobleman, landowner and soldier, who was styled Earl of Mount Charles until 1974.
Francis Conyngham, 2nd Marquess Conyngham
Francis Nathaniel Conyngham, 2nd Marquess Conyngham, KP, GCH, PC( 11 June 1797 – 17 July 1876), styled Lord Francis Conyngham between 1816 and 1824 and Earl of Mount Charles between 1824 and 1832, was an Anglo- Irish soldier, courtier, politician and absentee landlord.
Paul Leatherdale
Paul Henry Francis Leatherdale( born 1958) is a male British former sports shooter.
Henry Cockayne-Cust
Henry Francis Cockayne- Cust( 15 September 1819 – 5 April 1884), was a British Conservative Party politician.
Henry Francis Conyngham, Earl of Mount Charles
Henry Francis Conyngham, Earl of Mount Charles (6 April 1795 – 26 December 1824), was an Irish Tory politician.
Conyngham was born to Henry Conyngham, 1st Marquess Conyngham, and his wife Elizabeth Denison.
He was educated in 1813 at Trinity College, Cambridge.
He was a Tory Member of Parliament (MP) for Donegal from 1818 until his death at the age of 29 in Nice, France.
He died unmarried and with no issue, and was buried in Nice.
Francis Conyngham, 2nd Baron Conyngham
Francis Conyngham, 2nd Baron Conyngham( born Francis Pierpoint Burton; 1725 – 22 May 1787) was an Irish peer and politician.

Question: Which country Henry Francis Conyngham, Earl Of Mount Charles's mother is from?