Alexander Baring, 4th Baron Ashburton
Alexander Hugh Baring, 4th Baron Ashburton( 4 May 1835 – 18 July 1889), was a British landowner and Conservative Party politician.
Baring was the son of Francis Baring, 3rd Baron Ashburton( 1800 – 1868), and his wife Hortense Eugenie Claire Maret de Bassano( c. 1812 – 1882), and the grandson of American heiress Ana Louisa Bingham, whose father was William Bingham.
He was educated at Harrow School and Christ Church, Oxford, graduating in 1857.
Mariusz Szyszko
Mariusz Szyszko( born 8 March 1969) is a Polish volleyball player.
He competed in the men's tournament at the 1996 Summer Olympics.
Francis Baring, 5th Baron Ashburton
Francis Denzil Edward Baring, 5th Baron Ashburton DL( 20 July 1866 – 27 March 1938), was a British peer and politician.
James Baring, 6th Baron Revelstoke
James Cecil Baring, 6th Baron Revelstoke( 16 August 1938 – 7 February 2012) was a British peer.
John Dunning, 1st Baron Ashburton
John Dunning, 1st Baron Ashburton( 18 October 1731 – 18 August 1783), of Spitchwick the parish of Widecombe- in- the- Moor, Devon, was an English lawyer and politician, born in Ashburton in Devon, who served as Solicitor- General from 1768.
He was first noticed in English politics when he wrote a notice in 1762 defending the British East India Company merchants against their Dutch rivals.
He was a member of parliament from 1768 onward.
His career in the House of Commons is best known for his motion in 1780 that the influence of the crown has increased, is increasing, and ought to be diminished.
He was created Baron Ashburton in 1782.
Richard Dunning, 2nd Baron Ashburton
The Right Hon. Richard Barré Dunning, 2nd Baron Ashburton( 20 September 1782 – 15 February 1823), was a British peer and politician.
Alexander Baring, 1st Baron Ashburton
Alexander Baring, 1st Baron Ashburton PC( 27 October 1774 – 12 May 1848), of The Grange in Hampshire, of Ashburton in Devon and of Buckenham Tofts near Thetford in Norfolk, was a British politician and financier, and a member of the Baring family.
Baring was the second son of Sir Francis Baring, 1st Baronet, and of Harriet, daughter of William Herring.
Alexander Baring, 6th Baron Ashburton
Alexander Francis St Vincent Baring, 6th Baron Ashburton (7 April 1898 – 12 June 1991), was a British businessman and politician.
Bingham Baring, 2nd Baron Ashburton
Bingham Baring, 2nd Baron Ashburton (William Bingham Baring; June 1799 – 23 March 1864), was a British businessman and a Whig politician who later became a Tory.
Francis Baring, 3rd Baron Ashburton
Francis Baring, 3rd Baron Ashburton( 20 May 1800 – 6 September 1868), was a British peer Whig and later Tory politician.

Question: Did Alexander Baring, 6th Baron Ashburton and Mariusz Szyszko share the same nationality?
Answer: no