John Hobart, 2nd Earl of Buckinghamshire
John Hobart, 2nd Earl of Buckinghamshire( 17 August 17233 August 1793) was an English nobleman and politician.
John Cradock, 1st Baron Howden
General John Francis Cradock, 1st Baron Howden( 11 August 175926 July 1839) was a British peer, politician and soldier.
James Somerville, 2nd Baron Athlumney
James Herbert Gustavus Meredyth Somerville, 2nd Baron Athlumney, 2nd Baron Meredyth( 23 March 1865 – 8 January 1929) was an Irish peer and officer of the British Army.
John Hobart Marble
John Hobart Marble( February 26, 1869 – November 21, 1913) was an American attorney and government official, who was appointed to the Interstate Commerce Commission in March 1913 and served on the commission until his death eight months later.
John Wilson, 2nd Baron Moran
Richard John McMoran Wilson, 2nd Baron Moran,
William Campbell, 2nd Baron Stratheden and Campbell
William Frederick Campbell, 2nd Baron Stratheden, 2nd Baron Campbell( 15 October 1824 – 21 January 1893), was a British peer and Liberal politician.
His father was the Lord Chancellor.
John Hobart Caradoc, 2nd Baron Howden
John Hobart Caradoc, 2nd Baron Howden, GCB, KH (
1799–1873), Minister Plenipotentiary in the British Embassy at Madrid, Spain, 1850–1858, was the son of General John Cradock, 1st Baron Howden, GCB (11 August 1759 – 26 July 1839), a British peer, (1st Baron Howden since 1819) in the Peerage of Ireland and since 1831 in the Peerage of the United Kingdom,
He was a politician and soldier instrumental in the 1798 battle of Vinegar Hill, Enniscorthy, County of Wexford, within what is known as the Irish Rebellion.
He was, between other things, Governor of the Cape Colony, 1811–1814.
He married Princess Catherine Bagration, née Countess Skavronskaya in 1830.
He had been appointed as a liaison officer of the British Army during the siege of the Belgian Antwerp citadel by the French Northern Army of Marshall Gérard end of 1832.
For his services he had been made an officer in the Belgian order of Leopold on the 10th of March, 1833 and a commander in 1852.
John Hobart Caradoc was therefore, the grandson of John Cradock (1708? – 1778), alias Craddock, Church of Ireland Archbishop of Dublin from 1772, the Irish branch of the Protestant Church of England, nowadays.
His accepted family name changed thus in two generations from Craddock to Cradock and then to Caradoc.
John Hobart, 1st Earl of Buckinghamshire
John Hobart, 1st Earl of Buckinghamshire,( 11 October 169322 September 1756) was a British politician who sat in the House of Commons from 1715 to 1728, when he was raised to the peerage as Baron Hobart.
Sir John Hobart, 2nd Baronet
Sir John Hobart, 2nd Baronet( 19 April 1593 – 20 April 1647) was an English politician and baronet.
Catherine Bagration
Princess Catherine Bagration
née Skavronskaya (7 December 1783 – 21 May 1857 or 2 June 1857) was a Russian princess, married to general Pyotr Bagration.
She was known for her beauty, love affairs and unconventional behaviour.

Question: Which country John Hobart Caradoc, 2Nd Baron Howden's wife is from?
Answer: Russian