Charles Montagu, 1st Earl of Halifax
Charles Montagu, 1st Earl of Halifax( 16 April 1661 – 19 May 1715) was an English poet and statesman.
Robert Montagu, 3rd Earl of Manchester
Robert Montagu, 3rd Earl of Manchester (baptised 25 April 1634 – 14 March 1683) was an English courtier and politician who sat in the House of Commons from 1660 to 1671 when he inherited the peerage as Earl of Manchester.
Robert Montagu, 3rd Duke of Manchester
Robert Montagu, 3rd Duke of Manchester( c. 1710 – 10 May 1762) was a British politician who sat in the House of Commons from 1734 until 1739 when he succeeded to the peerage as Duke of Manchester.
Montagu was the son of Charles Montagu, 1st Duke of Manchester and his wife Dodington Greville, daughter of Robert Greville, 4th Baron Brooke of Beauchamps Court.
Montagu was returned as MP for Huntingdonshire at the 1734 British general election.
He vacated his seat when he succeeded his brother to the peerage in 1739.
Montagu married Harriet Dunch, daughter and co-heiress of Edmund Dunch and his wife Elizabeth Godfrey, a noted beauty, on 3 April 1735.
She was a sister- in- law of Hugh Boscawen, 1st Viscount Falmouth and niece of the great Duke of Marlborough.
Montagu died on 10 May 1762 leaving four children.
Henry Montagu, 1st Earl of Manchester
Henry Montagu, 1st Earl of Manchester( 7 November 1642) was an English judge, politician and peer.
Charles Montagu, 1st Duke of Manchester
Charles Edward Montagu, 1st Duke of Manchester PC (c. 166220 January 1722) of the Noble House of Montagu, previously 4th Earl of Manchester, son of Robert Montagu, 3rd Earl of Manchester, was educated at Trinity College, Cambridge, and succeeded to his father's earldom in 1683.
Warmly sympathizing with the Whig revolution of 1688, he attended William and Mary at their coronation, and fought under William at the Boyne.
In 1697, he was sent as an envoy to Venice to try to procure the release of British sailors, but the Venetians proved unwilling to negotiate.
On his return in 1698, he was appointed a privy councillor.
The following year he was sent as English ambassador to France, remaining there until the outbreak of war in 1701.
He was then briefly appointed Secretary of State for the Southern Department, a post he held between January and May 1702.
He was then out of office until again sent to Venice, as ambassador, but during his time there in 1707 and 1708, this negotiations (to persuade Venice to adhere to the Grand Alliance) were again unsuccessful.
In 1714 he received an appointment in the household of George I, by whom on 28 April 1719 he was created Duke of Manchester.
In 1719 he was one of the main subscribers to the Royal Academy of Music (1719), a corporation that produced baroque opera on the stage.
He died on 20 January 1722.
He was the father of both the 2nd Duke of Manchester and the 3rd Duke of Manchester, and also of Charlotte Byng, Viscountess Torrington.
James FitzJames, 1st Duke of Berwick
James FitzJames, 1st Duke of Berwick, 1st Duke of Liria and Jérica, 1st Duke of Fitz- James( 21 August 1670 – 12 June 1734) was an Anglo- French military leader, illegitimate son of King James II of England by Arabella Churchill, sister of the 1st Duke of Marlborough.
Berwick was a successful general in the pay of Louis XIV of France.
Ralph Montagu, 1st Duke of Montagu
Ralph Montagu, 1st Duke of Montagu( 24 December 1638 – 9 March 1709) was an English courtier and diplomat.
Charles Lennox, 1st Duke of Richmond
Charles Lennox, 1st Duke of Richmond, 1st Duke of Lennox, 1st Duke of Aubigny( 29 July 167227 May 1723), of Goodwood House near Chichester in Sussex, was an illegitimate son of King Charles II by his mistress Louise de Kérouaille, Duchess of Portsmouth.
Charlotte Byng, Viscountess Torrington
Charlotte Byng, Viscountess Torrington( 1705- 17 February 1759), formerly Lady Charlotte Montagu, was the wife of Pattee Byng, 2nd Viscount Torrington.
She was the daughter of Charles Montagu, 1st Duke of Manchester, and his wife, the former Doddington Greville.
She married Viscount Torrington on 11 June 1724.
The couple had two sons, neither of whom survived their father: George( 1728- 1730) and Frederick( 1735- 1736).
On the viscount's death, his title passed to his brother, George Byng, 3rd Viscount Torrington.
The viscountess was a Lady of the Bedchamber to Augusta of Saxe- Gotha, Princess of Wales, from 1736 to 1739 and again from 1742 to 1759.
She died in her fifties, in London, and was buried in the Byng family vault at All Saints Church, Southill, Bedfordshire.
William Montagu, 2nd Duke of Manchester
William Montagu, 2nd Duke of Manchester, KB( April 1700 – 21 October 1739) was the son of Charles Montagu, 1st Duke of Manchester.
He married Lady Isabella Montagu, daughter of John Montagu, 2nd Duke of Montagu, on 16 April 1723.
He was made a Knight Companion of the Order of the Bath( KB) in 1725.
He died in 1739, aged 39, childless and his titles passed to his brother, Robert Montagu.
Prior to his death the Duke was involved with the establishment of a new charity in London which would work to save children abandoned by their parents due to poverty and miserable conditions.
The charity became known as the Foundling Hospital and its royal charter, naming the Duke of Manchester one of its founding governors, was awarded only four days prior to the duke's death.

Question: When did Charles Montagu, 1St Duke Of Manchester's father die?
Answer: 14 March 1683