Question: When did John Manners, 3Rd Duke Of Rutland's father die?

Lord Charles Manners (British Army officer, died 1761)
Major- General Lord Charles Manners( died 5 December 1761) was a British soldier, the ninth and youngest son of John Manners, 2nd Duke of Rutland.
John Manners, 1st Duke of Rutland
John Manners, 1st Duke of Rutland and 9th Earl of Rutland( 29 May 163810 January 1711) was a British MP, and Whig politician.
His divorce from his first wife caused much comment, partly because it was thought to have political implications.
Catherine Manners, Duchess of Rutland
Catherine Manners, Duchess of Rutland( 10 August 1657 – 24 January 1733), formerly Catherine Wriothesley Noel, was an English noblewoman.
She was the third wife of John Manners, 1st Duke of Rutland, and the mother of the second duke.
Catherine was the daughter of Baptist Noel, 3rd Viscount Campden, and his wife, the former Lady Elizabeth Bertie.
She married the Duke of Rutland on 8 January 1673, when he was still known as Lord Roos, the heir to John Manners, 8th Earl of Rutland; she was nearly twenty years his junior.
Roos had divorced his first wife, Lady Anne Pierrepont, in an unprecedented action, the first legal divorce to take place since the English Reformation of the 16th century.
His second wife, Lady Diana Bruce, died in childbirth in 1672, after less than a year of marriage.
He inherited his father's earldom in 1679 and was raised to a dukedom in 1703, making Catherine the first to hold the title of Duchess of Rutland.
The duke and duchess had three children:
The duchess's father and mother died within a year of one another, in 1682 and 1683 respectively.
The duke died in 1711, at the family seat, Belvoir Castle.
His widow subsequently moved to Lindsey House in Chelsea, which she rented from her relations, the earls of Lindsey; she remained there until her own death.
Catherine's portrait was painted by Sir Godfrey Kneller.
John Manners, 3rd Duke of Rutland
John Manners, 3rd Duke of Rutland KG PC (21 October 1696 – 29 May 1779) was an English nobleman, the eldest son of John Manners, 2nd Duke of Rutland and Catherine Russell.
Styled Marquess of Granby from 1711
, he succeeded to the title in 1721, cutting short a brief career in the House of Commons, where he had represented Rutland as a Whig.
John Manners, 2nd Duke of Rutland
John Manners, 2nd Duke of Rutland KG (18 September 1676 – 22 February 1721), styled Lord Roos from 1679 to 1703 and Marquess of Granby from 1703 to 1711, was
a British Whig politician sat in the English and British House of Commons from 1701 until 1711, when he succeeded to the peerage as Duke of Rutland.
Lord Cecil Manners
Lord Cecil Reginald John Manners DL( 4 February 1868 – 8 September 1945), was a British Conservative politician.
Manners was the second son of John Manners, 7th Duke of Rutland, by his second marriage to Janetta, daughter of Thomas Hughan.
Henry Manners, 8th Duke of Rutland, was his half- brother and Lord Edward Manners his brother.
In early 1900 he visited South Africa, travelling with troops taking part in the Second Boer War.
He succeeded his brother as Member of Parliament for Melton in 1900, a seat he held until 1906.
On 10 June 1902, he was appointed a Deputy Lieutenant for Derbyshire.
Manners died in September 1945, aged 77, killed by a train at Crowborough railway station.
Kathleen Manners, Duchess of Rutland
Kathleen Manners, Duchess of Rutland (née Tennant; 30 January 1894 - 4 December 1989) was an English aristocrat and the wife of John Manners, 9th Duke of Rutland.
Edward Manners, 3rd Earl of Rutland
Edward Manners, 3rd Earl of Rutland, 14th Baron de Ros of Helmsley, KG (12 July 1549 – 14 April 1587) was the son of Henry Manners, 2nd Earl of Rutland, whose titles he inherited in 1563.
Lord George Manners
Lord George John Manners( London, 22 June 1820 – 8 September 1874, Cheveley) was a British nobleman and Conservative Party politician who represented Cambridgeshire for over two decades, from 1847 to 1857 and from 1863 to 1874, when he died.
He was a younger son of John Manners, 5th Duke of Rutland by Lady Elizabeth Howard, daughter of Frederick Howard, 5th Earl of Carlisle.
Charles Manners, 6th Duke of Rutland was his elder brother.
He was educated at Trinity College, Cambridge, where he was a member of the University Pitt Club.
He married Lady Adeliza Fitzalan- Howard, daughter of Henry Fitzalan- Howard, 13th Duke of Norfolk, on 4 October 1855.
They had five children:
Lord Robert Manners (British Army officer, died 1782)
General Lord Robert Manners( c. 1721 – 31 May 1782) was an English soldier and nobleman.
He was a son of John Manners, 2nd Duke of Rutland and his second wife, Lucy Sherard.

Answer: 22 February 1721