Alexander Hamilton, 10th Duke of Hamilton
Alexander Hamilton, 10th Duke of Hamilton, 7th Duke of Brandon KG PC FRS FSA (3 October 1767 – 18 August 1852) was a Scottish politician and art collector.
Charles Gordon-Lennox, 10th Duke of Richmond
Charles Henry Gordon- Lennox, 10th Duke of Richmond, 10th Duke of Lennox, 10th Duke of Aubigny, 5th Duke of Gordon( 19 September 1929 – 1 September 2017), styled Lord Settrington until 1935 and Earl of March and Kinrara between 1935 and 1989, was an English peer and landowner.
The son of Frederick Gordon- Lennox, 9th Duke of Richmond, he succeeded to the titles when his father died in 1989.
The seat of the Dukes of Richmond is Goodwood House in Sussex.
The 10th Duke moved to a smaller house nearby when his son Lord March took over control of the estate and moved into the main house with his family.
George Russell, 10th Duke of Bedford
George William Francis Sackville Russell, 10th Duke of Bedford DL (16 April 1852 – 23 March 1893) was a British peer and politician.
He was the son of Francis Russell, 9th Duke of Bedford and Lady Elizabeth Sackville-West.
Russell graduated from Balliol College, Oxford in 1874 with a Bachelor of Arts (B.A.) and was admitted to Lincoln's Inn, as a barrister.
On 24 October 1876, he married Lady Adeline Marie Somers, daughter of Charles Somers, 3rd Earl Somers.
They had no children, but it is known that he had at least one illegitimate child, an Indian daughter.
She lived with the pair until her father died and was then sent to live with her uncle, Herbrand Russell, and his family.
She lived on the estate until she was married.
Russell was a Liberal member of parliament for Bedfordshire between 1875 and 1885, when the constituency was abolished.
He was High Sheriff of Bedfordshire in 1889 and was later a Deputy Lieutenant of the county.
In 1891, Russell inherited the title of Duke of Bedford, together with Woburn Abbey and several other estates which went with it, including Chenies, Buckinghamshire, and an area of central London around Bedford Square.
In 1893, at the age of forty, he died of diabetes, at number 37, Chesham Place, London, and was buried in the 'Bedford Chapel' at St. Michael’s Church at Chenies.
His titles and estates were inherited by his younger brother Herbrand Russell.
Wriothesley Russell, 3rd Duke of Bedford
Wriothesley Russell, 3rd Duke of Bedford (25 May 1708 – 23 October 1732) was an English nobleman and peer.
He was the son of Wriothesley Russell, 2nd Duke of Bedford.
Russell married his sister's stepdaughter, Lady Anne Egerton, daughter of Scroop Egerton, 1st Duke of Bridgwater, on 22 April 1725.
He died in 1732, aged 24 at Corunna, Spain, without issue.
He was buried on 14 December 1732 in the 'Bedford Chapel' at St. Michael’s Church, Chenies, Buckinghamshire, and his titles passed to his brother, John Russell, 4th Duke of Bedford.
Herbrand Russell, 11th Duke of Bedford
Herbrand Arthur Russell, 11th Duke of Bedford( 19 February 1858 – 27 August 1940) was an English politician and peer.
He was the son of Francis Russell, 9th Duke of Bedford and his wife Lady Elizabeth Sackville- West, daughter of George Sackville- West, 5th Earl De La Warr.
Gustavus Hamilton-Russell, 10th Viscount Boyne
Gustavus Michael George Hamilton- Russell, 10th Viscount Boyne KCVO, JP( 10 December 1931 – 14 December 1995) was an Irish peer, soldier and banker.
Juan de Dios de Silva y Mendoza y Haro, 10th Duke of the Infantado
Juan de Dios de Silva y Mendoza y Haro (13 November 1672 – 9 December 1737), was a Spanish noble from the House of Mendoza.
He was the 10th Duke of the Infantado, the 8th Duke of Lerma and the 6th Duke of Pastrana.
Andrew Russell, 15th Duke of Bedford
Andrew Ian Henry Russell, 15th Duke of Bedford( born 30 March 1962) is a British nobleman and peer.
He is the son of Henry Robin Ian Russell, 14th Duke of Bedford, and his wife, Henrietta Tiarks.
Alfred Douglas-Hamilton, 13th Duke of Hamilton
Lieutenant Alfred Douglas Douglas- Hamilton, 13th Duke of Hamilton and 10th Duke of Brandon TD, DL( 6 March 1862 – 16 March 1940) was a Scottish nobleman and sailor.
Elizabeth Russell, Duchess of Bedford
Elizabeth Russell, Duchess of Bedford VA ("née" Sackville-West; 23 September 1818 – 22 April 1897) was born the daughter of the 5th Earl De La Warr and his wife Lady Elizabeth Sackville.

Question: What is the date of death of George Russell, 10Th Duke Of Bedford's mother?
Answer: 22 April 1897