Hugh Seymour, 6th Marquess of Hertford
Captain Hugh de Grey Seymour, 6th Marquess of Hertford (22 October 1843 – 23 March 1912), styled Earl of Yarmouth from 1870 to 1884, was a British soldier, courtier and Conservative politician.
He notably served as Comptroller of the Household between 1879 and 1880.
Michael Cecil, 8th Marquess of Exeter
William Michael Anthony Cecil, 8th Marquess of Exeter( born 1 September 1935), known from 1981 to 1988 as Lord Burghley, is a British peer.
He is the son of the 7th Marquess of Exeter.
Spencer Compton, 7th Marquess of Northampton
Spencer" Spenny" Douglas David Compton, 7th Marquess of Northampton( born 2 April 1946) is a British peer.
Alice Cornelia Thaw
Alice Cornelia Thaw (January 2, 1880 – May 8, 1955) was an American philanthropist and, upon her marriage to George Seymour, Earl of Yarmouth (who later succeeded as 7th Marquess of Hertford), the Countess of Yarmouth.
Hugh Seymour, 8th Marquess of Hertford
Hugh Edward Conway Seymour, 8th Marquess of Hertford( 29 March 1930 – 22 December 1997) was the son of Brig.- Gen. Lord Henry Charles Seymour and Lady Helen Grosvenor.
He was the grandson of both Hugh Seymour, 6th Marquess of Hertford and Hugh Grosvenor, 1st Duke of Westminster.
Sir George Seymour
Sir George Seymour was an English knight.
Born in Chelmsford on the 11th of June.
John Beresford, 7th Marquess of Waterford
John Charles de la Poer Beresford, 7th Marquess of Waterford( 6 January 1901 – 25 September 1934), was an Irish peer.
Henry Seymour, 9th Marquess of Hertford
Henry( Harry) Jocelyn Seymour, 9th Marquess of Hertford( born 6 July 1958) is a British peer, the son of Hugh Seymour, 8th Marquess of Hertford.
He was educated at Harrow School and the Royal Agricultural College, Cirencester.
He currently resides at Ragley Hall, Warwickshire, where he has been in charge of the estate since 1991.
George Seymour, 7th Marquess of Hertford
George Francis Alexander Seymour, 7th Marquess of Hertford (20 October 1871 – 16 February 1940) was the son of Hugh Seymour, 6th Marquess of Hertford.
Lord George Seymour
Lord George Seymour- Conway( 21 July 1763 – 10 March 1848), known as Lord George Seymour, was a British politician.
A member of the Seymour family headed by the Duke of Somerset, Seymour was the seventh son and youngest child of Francis Seymour- Conway, 1st Marquess of Hertford, and Lady Isabella, daughter of Charles FitzRoy, 2nd Duke of Grafton.
He was the brother of Francis Ingram- Seymour- Conway, 2nd Marquess of Hertford, Lord Henry Seymour, Lord Robert Seymour, Lord Hugh Seymour and Lord William Seymour.
He was returned to the Parliament of Great Britain as one of two representatives for Orford in 1784, a seat he held until 1790.
He later represented Totnes between 1796 and 1801.
Seymour married Isabella, daughter of Reverend the Honourable George Hamilton, in 1795.
Their son Sir George Hamilton Seymour was a diplomat.
Seymour died on 10 March 1848, aged 84, and is buried in St. Andrew's Church, Waterloo Street Hove in Sussex

Question: What nationality is George Seymour, 7Th Marquess Of Hertford's father?
Answer: British