Henry Thynne Lascelles, 4th Earl of Harewood (June 18, 1824–24 June 1892) was a British peer and the son of Henry Lascelles, 3rd Earl of Harewood

Henry Lascelles, 3rd Earl of Harewood

Henry Lascelles, 3rd Earl of Harewood DL , known as Viscount Lascelles from 1839 to 1841, was a British peer and Member of Parliament....

.

He married firstly, Lady Elizabeth Joanna de Burgh (22 February 1826 - 26 February 1854), daughter of Ulick de Burgh, 1st Marquess of Clanricarde

Ulick de Burgh, 1st Marquess of Clanricarde

Ulick John de Burgh, 1st Marquess of Clanricarde KP, PC , styled Lord Dunkellin until 1808 and known as The Earl of Clanricarde between 1808 and 1825, was a British Whig politician.-Background and education:...

, on 17 July 1845. She was the granddaughter of former Prime Minister George Canning

George Canning

George Canning PC, FRS was a British statesman and politician who served as Foreign Secretary and briefly Prime Minister.-Early life: 1770–1793:...

. They had six children:

• Henry Ulrick Lascelles, 5th Earl of Harewood
  Henry Lascelles, 5th Earl of Harewood
  Henry Ulrick Lascelles, 5th Earl of Harewood GCVO, DL was a British peer and the son of Henry Lascelles, 4th Earl of Harewood....
  
   (21 August 1846-6 October 1929)
• Commander Hon. Frederick Canning Lascelles (6 May 1848-31 December 1928), married Frederica Maria Liddell, a granddaughter of Thomas Liddell, 1st Baron Ravensworth
  Thomas Liddell, 1st Baron Ravensworth
  Thomas Henry Liddell, 1st Baron Ravensworth , known as Sir Thomas Liddell, 6th Baronet, from 1791 to 1821, was a British peer and Tory politician.-Life account:...
  
   and had issue.
• Gerald William Lascelles (26 October 1849-11 February 1928), married Constance Philipson and had issue.
• Charles George Lascelles (23 January 1851-19 February 1886), died unmarried.
• Constance Mary Lascelles (27 May 1852-23 August 1932), married Beilby Lawley, 3rd Baron Wenlock
  Beilby Lawley, 3rd Baron Wenlock
  Beilby Lawley, 3rd Baron Wenlock GCSI, GCIE, KCB, VD, PC was a British soldier, Liberal politician who sat in the House of Commons in 1880 and administrator who was the Governor of Madras from 1891 to 1896.-Early life:...
  
   and had issue.
• Lady Margaret Joan Lascelles (2 October 1853-19 September 1927), married Hamilton Cuffe, 5th Earl of Desart
  Hamilton Cuffe, 5th Earl of Desart
  Hamilton John Agmondesham Cuffe, 5th Earl of Desart, KP, KCB, PC was an Irish peer and solicitor.-Early life:...
  
   and had issue.

On 21 April 1858 he married secondly, Diana Smyth (c. 1838 - 4 March 1904), a granddaughter of George FitzRoy, 4th Duke of Grafton

George FitzRoy, 4th Duke of Grafton

George Henry FitzRoy, 4th Duke of Grafton, KG was a British peer and Whig politician, known as Earl of Euston from birth until 1811....

 and great granddaughter of Prince William Henry, Duke of Gloucester and Edinburgh

Prince William Henry, Duke of Gloucester and Edinburgh

Prince William, Duke of Gloucester and Edinburgh was a member of the British Royal Family, a grandson of George II and a younger brother of George III.-Early life:...

 (through his illegitimate daughter). They had eight children:

• Lady Susan Elizabeth Lascelles (21 May 1860-22 January 1925), married Captain Francis Sutton and had issue.
• Captain Hon. Edwin Harry Lascelles (3 August 1861-16 January 1924), died unmarried.
• Hon. Daniel Harry Lascelles (1 August 1862-28 November 1904), died unmarried.
• Hon. George Algernon Lascelles (2 August 1865-25 May 1932), married Mabel Massey and had issue.
• William Horace Lascelles (15 February 1868-7 May 1949), married Madeline Barton and had issue.
• Francis John Lascelles (29 December 1871-9 May 1925), married Gertie Stradling and had issue.
• Hon. Eric James Lascelles (2 March 1873-24 June 1901), died unmarried.
• Lady Mary Diana Lascelles (24 May 1877-23 July 1930), married Robert Doyne and had issue.

Titles

• 4th Earl of Harewood
• 4th Baron Harwood of Harewood
• 4th Viscount Lascelles