question: What is the date of birth of William Russell, 8Th Duke Of Bedford's father?
context: [["Lord Edward Russell (1642\u20131714)", ["Lord Edward Russell( 1643 \u2013 30 June 1714) was an English politician, known as Hon. Edward Russell until 1694.", "He married Francis Lloyd, a widow, in 1688.", "They had no children.", "Edward Russell was son of William Russell, 1st Duke of Bedford( 1616 \u20131700).", "Edward was educated privately and at the University of Padua.", "At the time of the 1st Duke's death, Edward was the oldest surviving son, but the dukedom passed instead to Edward's nephew, the young Wriothesley Russell, 2nd Duke of Bedford.", "This was because Wriothesley was the son of Edward's elder brother William Russell, Lord Russell.", "Edward Russell represented Tavistock in Parliament from 13 February 1679 to 23 March 1683.", "Russell was appointed Custos Rotulorum of Caernarvonshire in 1689 at the Glorious Revolution, and was Treasurer of the Chamber from 1694 to 1702.", "He was briefly the Lord Lieutenant of Bedfordshire, Lord Lieutenant of Cambridgeshire, Lord Lieutenant of Middlesex, and Custos Rotulorum of Middlesex from 1700 until 1701, when his nephew Wriothesley Russell, 2nd Duke of Bedford reached his majority and assumed those offices."]], ["Francis Russell, 7th Duke of Bedford", ["Francis Russell, 7th Duke of Bedford (13 May 1788 \u2013 14 May 1861), styled Marquess of Tavistock from 1802 to 1839, was a British peer and Whig politician."]], ["Charles Gordon-Lennox, 8th Duke of Richmond", ["Charles Henry Gordon- Lennox, 8th Duke of Richmond, 8th Duke of Lennox, 3rd Duke of Gordon,( 30 December 1870 \u2013 7 May 1935), known as Lord Settrington 1870 \u2013 1903, and as Earl of March 1903 \u2013 1928, was a British Peer and politician."]], ["Anna Russell, Duchess of Bedford", ["Anna Maria Russell, Duchess of Bedford (3 September 1783 \u2013 3 July 1857) was a lifelong friend of Queen Victoria, whom she served as a Lady of the Bedchamber between 1837 and 1841.", "She was also the originator of the British meal \"afternoon tea.\"", "Anna was the daughter of Charles Stanhope, 3rd Earl of Harrington, and Jane Fleming.", "She was the wife of Francis Russell, 7th Duke of Bedford (married in 1808), and sister-in-law to the Prime Minister John Russell.", "She was also the mother of William Russell, 8th Duke of Bedford.", "She became Duchess of Bedford in 1839 when her husband acceded to the dukedom.", "The Duchess and her husband entertained the Queen at their country house Woburn Abbey in 1841.", "The Duchess was also the chief mourner at the funeral of The Princess Augusta Sophia in 1840."]], ["Wriothesley Russell, 3rd Duke of Bedford", ["Wriothesley Russell, 3rd Duke of Bedford (25 May 1708 \u2013 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\u2019s Church, Chenies, Buckinghamshire, and his titles passed to his brother, John Russell, 4th Duke of Bedford."]], ["Anne Russell, Countess of Bedford", ["Anne Russell, Countess of Bedford( 9 December 1615 \u2013 10 May 1684), formerly Lady Anne Carr, was a wealthy English noblewoman, and the wife of William Russell, 5th Earl of Bedford, a peer and soldier during the English Civil War, who after her death was created Duke of Bedford.", "Her mother was the notorious Frances Howard, who was an accomplice to murder.", "In about 1638, Anne was the subject of at least two portraits by Flemish painter Anthony van Dyck."]], ["William Russell, 1st Duke of Bedford", ["William Russell, 1st Duke of Bedford KG PC( August 1616 \u2013 7 September 1700) was an English nobleman and politician who sat in the House of Commons from 1640 until 1641 when he inherited his Peerage as 5th Earl of Bedford and removed to the House of Lords.", "He fought in the Parliamentarian army and later defected to the Royalists during the English Civil War.", "He is also known for developing the Bloomsbury area of London."]], ["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."]], ["Lord George Russell", ["Major- General Lord George William Russell( 8 May 1790 \u2013 16 July 1846) was a British soldier, politician and diplomat.", "He was the second son of the 6th Duke of Bedford and brother to John Russell, the Whig and Liberal Prime Minister.", "His children were Blanche Russell, Francis Russell, 9th Duke of Bedford, Arthur Russell the Whig and Liberal MP for Tavistock and Odo Russell, the British diplomat and first British Ambassador to the German Empire."]], ["William Russell, 8th Duke of Bedford", ["William Russell, 8th Duke of Bedford (1 July 1809 \u2013 27 May 1872) was a British Whig politician.", "He was the son of Francis Russell, 7th Duke of Bedford and his wife Anna Maria Stanhope.", "Russell was educated at Eton College and Christ Church, Oxford and was Member of Parliament (MP) for Tavistock (which had been represented by members of the Russell family intermittently since 1640) from 1832 to 1841.", "He died in 1872, aged 62, unmarried and childless and was buried in the 'Bedford Chapel' at St. Michael\u2019s Church, Chenies, Buckinghamshire.", "His titles passed to his cousin, Francis Hastings Russell, 9th Duke of Bedford."]]]
supporting_facts: [["William Russell, 8th Duke of Bedford", 1], ["Francis Russell, 7th Duke of Bedford", 0]]
evidences: [["William Russell, 8th Duke of Bedford", "father", "Francis Russell"], ["Francis Russell, 7th Duke of Bedford", "date of birth", "13 May 1788"]]
answer: 13 May 1788