Question: What year was the father of  James Hamilton, 5th Duke of Hamilton born?

Context articles: James Hamilton, 4th Duke of Hamilton
James Hamilton, 5th Duke of Hamilton
Baron Hamilton of Strabane
James Hamilton, 2nd Duke of Abercorn
Alexandra Hamilton, Duchess of Abercorn
Baron Dufferin and Claneboye
James Hamilton, 5th Duke of Abercorn
Louisa Hamilton, Duchess of Abercorn
Anne Hamilton, Countess of Huntly
James Hamilton, 4th Duke of Abercorn

Lieutenant General James Hamilton, 4th Duke of Hamilton and 1st Duke of Brandon {'1': ", '2': ", '3': 'KG KT', '4': "} (11 April 1658 – 15 November 1712) was a
James Hamilton, 5th Duke of Hamilton and 2nd Duke of Brandon KT FRS (5 January 1703 – 2 March 1743) was a Scottish peer, the son of the 4th Duke of Hamilton.
Lord Hamilton, Baron of Strabane, in the County of Tyrone, is a title in the Peerage of Ireland created on 8 May 1617, for James Hamilton, Master of Abercorn, eldest son of James Hamilton, 1st Earl of Abercorn, during the life of his father (and his grandfather, Claud Hamilton, 1st Lord Paisley); the barony had the special remainder to the heir-males of his father.
 He was about thirteen at the time.
 Both Abercorn and Paisley were in the peerage of Scotland.
 He inherited his father's several titles in 1618, his grandfather's title in 1621.
James Hamilton, 2nd Duke of Abercorn (24 August 1838 – 3 January 1913), styled Viscount Hamilton until 1868 and Marquess of Hamilton from 1868 to 1885, was a British nobleman and diplomat.
 He was the son of James Hamilton, 1st Duke of Abercorn, and Lady Louisa Jane Russell.
Alexandra Anastasia "Sacha" Hamilton, Duchess of Abercorn, {'1': ", '2': ", '3': 'OBE', '4': "} (b. 27 February 1946, Tucson, Arizona, U.S.) is the wife of James Hamilton, 5th Duke of Abercorn.
Baron Dufferin and Claneboye, of Ballyleidy and Killyleagh in County Down, is a title in the Peerage of Ireland.
 It was created 31 July 1800 for Dame Dorcas Blackwood, widow of Sir John Blackwood, 2nd Baronet, Member of the Irish Parliament for Killyleagh and Bangor.
 The peerage had been intended for Sir John in return for his support for the Union with the Kingdom of Great Britain.
 The Baronetcy, of Killyleagh in the County of Down, was created in the Baronetage of Ireland in 1763 for Robert Blackwood, the father of Sir John Blackwood.
 He was the son of John Blackwood and Ursula Hamilton, the daughter and co-heir of Robert Hamilton of Killyleagh, County Down.
 The Blackwood family, originally of Scottish descent, were prominent landowners in County Down and controlled the borough constituency of Killyleagh in the Irish Parliament.
 Lady Dufferin and Claneboye was the daughter of James Stevenson, son of Colonel Hans Stevenson and Anne Hamilton, daughter of James Hamilton, son of Archibald Hamilton, of Halcraig, Lanarkshire, brother of James Hamilton, 1st Viscount Claneboye.
 Her great-grandfather James Hamilton had become the sole heir of Lord Claneboye when the first Viscount's grandson, Henry Hamilton, 2nd Earl of Clanbrassil and 3rd Viscount Claneboye, died in 1675.
James Hamilton, 5th Duke of Abercorn, {'1': ", '2': ", '3': ", '4': "} (born 4 July 1934) is a British nobleman, peer, and politician.
 He became Duke of Abercorn in the Peerage of Ireland on the death of his father in June 1979.
 He was the son of James Edward Hamilton, 4th Duke of Abercorn, and Lady Mary Crichton (daughter of Lt.-Col.
 Henry William Crichton, Viscount Crichton (1872–1914), eldest son of John Crichton, 4th Earl Erne).
 He is a former politician and Lord Steward of the Household.
Louisa Jane Hamilton, Duchess of Abercorn, VA (née Lady Louisa Jane Russell) (8 July 1812 – 31 March 1905) was the wife of James Hamilton, 1st Duke of Abercorn, and the daughter of John Russell, 6th Duke of Bedford, by his second wife, Lady Georgiana Gordon.
 She was the mother of Louisa Montagu Douglas Scott, Duchess of Buccleuch, and therefore the paternal great grandmother of Princess Alice, Duchess of Gloucester, and the maternal 2nd great-grandmother of Prince William of Gloucester and Prince Richard, Duke of Gloucester.
 She was also the mother of James Hamilton, 2nd Duke of Abercorn, and therefore the paternal great-grandmother of Cynthia Spencer, Countess Spencer, and the paternal 3rd great-grandmother of Diana, Princess of Wales, and the maternal 4th great-grandmother of Prince William, Duke of Cambridge, and Prince Harry.
 Through her daughter Lady Louisa Hamilton she also is the maternal 3rd great-grandmother of Sarah, Duchess of York.
Anne Hamilton, Countess of Huntly (c.1535 – after 17 April 1574), was a Scottish noblewoman and a member of the powerful Hamilton family which had a strong claim to the Scottish crown.
 Her father James Hamilton, Duke of Châtellerault, 2nd Earl of Arran was heir presumptive to the throne of Scotland after Mary, Queen of Scots prior to the birth of the latter's son Prince James in 1566.
 Anne was the wife of George Gordon, 5th Earl of Huntly, Lord Chancellor of Scotland and a chief conspirator during the reign of Queen Mary.
James Edward Hamilton, 4th Duke of Abercorn (29 February 1904 – 4 June 1979) was a British peer.
 He was the son of James Hamilton, 3rd Duke of Abercorn and Lady Rosalind Cecilia Caroline Bingham.
 He was variously styled Viscount Strabane (1904–1913), Marquess of Hamilton (1913–1953), and finally inherited his father's peerages on 12 September 1953.