He was born on 4 July 1934 to
James Hamilton, Marquess of Hamilton, and
The Hon. Kathleen Crichton. From birth, he held the
courtesy title Viscount Strabane, until the death of his paternal grandfather, the
3rd Duke of Abercorn, in 1953, when he became
Marquess of Hamilton, the title he held until the death of his father. On 20 October 1966, the then Lord Hamilton married
Alexandra Phillips, daughter of Lieutenant Colonel
Harold Phillips and
Georgina Wernher, herself the elder daughter and co-heiress of
Sir Harold Wernher, 3rd Baronet, of
Luton Hoo,
Bedfordshire. Their wedding at
Westminster Abbey was attended by members of the royal family, including
Elizabeth II and
the Queen Mother, and
Prince Andrew was a pageboy. The Duke and Duchess of Abercorn had three children: • James Harold Charles Hamilton, Marquess of Hamilton (born 19 August 1969); a godson of
King Charles III; married Tanya Marie Nation on 7 May 2004, had issue: • James Alfred Nicholas Hamilton, Viscount Strabane (born 30 October 2005) • Lord Claud Douglas Harold Hamilton (born 12 December 2007) • Lady Sophia Alexandra Hamilton (born 8 June 1973); married
Anthony Loyd on 7 September 2002, divorced 2005, no issue • Lord Nicholas Edward Hamilton (born 5 July 1979); married Tatiana Kronberg on 30 August 2009, had issue The Duke is a first cousin of the
8th Earl Spencer, father of
Diana, Princess of Wales. He attended Diana's 1981 wedding to Prince Charles at St Paul's Cathedral. ==Career==