Spencer Compton, 7th Marquess of Northampton
Spencer" Spenny" Douglas David Compton, 7th Marquess of Northampton( born 2 April 1946) is a British peer.
Maud Petty-Fitzmaurice, Marchioness of Lansdowne
Maud Evelyn Petty- Fitzmaurice, Marchioness of Lansdowne( née Hamilton; 17 December 1850 – 21 October 1932), was a British courtier.
She served as vice- regal spouse while her husband Henry Charles Keith Petty- FitzMaurice, 5th Marquess of Lansdowne was Governor General of Canada from 1883 – 1888.
She was then Vicereine of India from 1888 – 1894 while her husband was Viceroy.
Henry Petty-Fitzmaurice, 4th Marquess of Lansdowne
Henry Thomas Petty- Fitzmaurice, 4th Marquess of Lansdowne( 7 January 1816 – 5 July 1866), styled Lord Henry Petty- FitzMaurice until 1836 and Earl of Shelburne between 1836 and 1863, was a British politician.
David Barbour
Sir David Miller Barbour( 1841–1928) was a senior administrator in India, Finance Member of the Indian Viceroy's Council under Henry Petty- Fitzmaurice, 5th Marquess of Lansdowne, writer on monetary issues, and Irish loyalist.
From 1903 to 1905 he was chairman of the Royal Commission on London Traffic.
Charles Petty-Fitzmaurice, 7th Marquess of Lansdowne
Charles Hope Petty-Fitzmaurice, 7th Marquess of Lansdowne (9 January 1917 – 30 August 1944) was a British nobleman and peer.
He was the son of Henry Petty-FitzMaurice, 6th Marquess of Lansdowne.
He died aged 27, in Italy, killed in action during the Second World War.
Captain Charles Hope Fitzmaurice Lansdowne served with the Royal Wiltshire Yeomanry, Royal Armoured Corps and died on 20 August 1944.
Lord Lansdowne was unmarried and childless, and his titles passed to his cousin, George Petty-Fitzmaurice, as his younger brother had also been killed in action in Normandy nine days earlier.
The Scottish title Lord Nairne, however, passed to his elder sister Katherine Evelyn Constance Petty-Fitzmaurice (1912–1995), who became the 12th Baroness Nairne.
She also inherited Derreen House and Gardens (Lauragh, County Kerry, Republic of Ireland) from her brother.
Louisa Petty, Countess of Shelburne
Louisa Petty, Marchioness of Lansdowne( 1755 – 7 August 1789), known as Louisa Petty, Countess of Shelburne from 1779 until 1784, was the youngest daughter of John FitzPatrick, 1st Earl of Upper Ossory, and his wife Lady Evelyn( née Leveson- Gower; daughter of John Leveson- Gower, 1st Earl Gower).
Petty's eldest brother was John FitzPatrick, 2nd Earl of Upper Ossory.
She had a younger brother Richard, who also became a noted statesman and soldier, and an elder sister, Mary.
She married, as his second wife, William Petty, 2nd Earl of Shelburne, who served as Prime Minister for 10 months in 1782 – 83, and was afterwards created Marquess of Lansdowne.
The couple were married on 8 July 1779 and had a son, Henry Petty- Fitzmaurice, 3rd Marquess of Lansdowne, and a daughter, Lady Louisa Fitzmaurice.
She died on 7 August 1789.
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.
Henry Petty-Fitzmaurice, 6th Marquess of Lansdowne
Lieutenant-Colonel Henry William Edmund Petty-Fitzmaurice, 6th Marquess of Lansdowne, DSO, MVO (14 January 1872 – 5 March 1936), styled Earl of Kerry until 1927, was a British soldier and politician.
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.
Violet Astor
Violet Mary Elliot-Murray-Kynynmound DStJ (28 May 1889 – 3 January 1965) was an English aristocrat.
She was a daughter of an Earl and married twice, first to Lord Charles Petty-Fitzmaurice, and then to John Jacob Astor, 1st Baron Astor of Hever, and the mother of five children, including George Petty-Fitzmaurice, 8th Marquess of Lansdowne, and Gavin Astor, 2nd Baron Astor of Hever.

Question: What is the date of death of Charles Petty-Fitzmaurice, 7Th Marquess Of Lansdowne's father?
Answer: 5 March 1936