William Lindsay, 18th Earl of Crawford
William Lindsay, 18th Earl of Crawford and 2nd Earl of Lindsay( April 1644 – 6 March 1698) was a Scottish noble and politician.
Lindsay was the eldest son of John Lindsay, 10th Lord Lindsay of the Byres, 17th Earl of Crawford, and 1st Earl of Lindsay, by his wife, Lady Christian Hamilton, daughter of the Earl of Haddington.
William succeeded to the earldoms in 1678.
He was a zealous Presbyterian, president of the Convention parliament in 1689, a commissioner of the treasury in 1690, and one of the commissioners for settling the government of the Church of Scotland.
He married firstly Lady Mary Johnstone, daughter of 1st Earl of Annandale and Hartfell, in 1670.
They had one son:
He married secondly Lady Henrietta Fleming, daughter of Charles Seton, 2nd Earl of Dunfermline and widow of 5th Earl of Wigtown, and had further issue.
Charlie Gardiner (footballer, born 1915)
Charles Gardiner( 7 April 1915–1973) was a Scottish professional footballer who played in the Football League for Mansfield Town and Nottingham Forest.
William Stewart, 1st Earl of Blessington
William Stewart, 1st Earl of Blessington( 7 April 170914 August 1769) was an Anglo- Irish peer and member of the House of Lords, styled The Honourable William Stewart until 1728 and known as The Viscount Mountjoy from 1728 to 1745.
Robert Stewart, 1st Earl of March
Robert Stewart, 1st Earl of Lennox then 1st Earl of March( c. 152229 March 1586) was a Scottish nobleman of the family of Stewart of Darnley.
Bob Gardiner (racewalker)
Robert Charles Gardiner( born 22 March 1936) is an Australian former racewalker who competed in the 1964 Summer Olympics and in the 1968 Summer Olympics.
Luke Gardiner, 1st Viscount Mountjoy
Luke Gardiner, 1st Viscount Mountjoy PC( Ire)( 7 February 1745 – 5 June 1798) was an Irish landowner and politician.
Marguerite Gardiner, Countess of Blessington
Marguerite Gardiner, Countess of Blessington (née Power; 1 September 1789 – 4 June 1849), was an Irish novelist, journalist, and literary hostess.
She became acquainted with Lord Byron in Genoa and wrote a book about him.
Charles Gardiner
Charles Gardiner( 21 February 1720 – 20 November 1769) was an Irish landowner and politician.
He was the son of Luke Gardiner and his wife Anne, daughter of Alexander Stewart and granddaughter of William Stewart, 1st Viscount Mountjoy.
On 20 March 1741 he married Florinda, daughter of Robert Norman.
From 1742 to 1760 he represented Taghmon in the Irish House of Commons.
He was sworn of the Irish Privy Council on 15 September 1758.
Gardiner inherited the estates of his mother's family, the Stewarts, following the death of his first cousin once removed William Stewart, 3rd Viscount Mountjoy and 1st Earl of Blessington, on 14 August 1769.
He died later the same year and was succeeded by his eldest son Luke, for whom the Mountjoy title was revived in 1785.
The Earldom of Blessington was also revived, in 1816 for Luke's son Charles.
Charles Gardiner's other children included a daughter Anne, later Countess of Clancarty, and William Neville Gardiner, sometime British Ambassador to Poland.
Many of Gardiner's Irish property documents and some maps are now at the National Library of Ireland in the manuscripts section.
Patrick Ruthven, 1st Earl of Forth
Patrick Ruthven, 1st Earl of Forth and 1st Earl of Brentford( c. 1573 – 2 February 1651) was a Scottish nobleman, general, and diplomat.
Charles Gardiner, 1st Earl of Blessington
Charles John Gardiner, 1st Earl of Blessington (1782 – 25 May 1829) was an Irish earl best known for his marriage to Margaret Farmer, née Power, whom he married at St Mary's, Bryanston Square, London, on 16 February 1818 (only four months after her first husband's death).
He was elected a representative peer in 1809, created Earl of Blessington in 1816, and inherited the title of Viscount Mountjoy in 1829.
He was present at the trial of Queen Caroline.
After she left her first unhappy marriage, Margaret Power had stayed for almost three years with her parents, then moved to Cahir, in 1809 to Dublin, and from 1809-1814 with a Dublin acquaintance, Captain Thomas Jenkins, of the 11th light dragoons, with whom she formed a close relationship.
It was during her Hampshire stay that she met Gardiner, 7 years her senior.
(Gardiner's first wife died sometime after 1812, having borne him two illegitimate children prior to their marriage and two legitimate children, Lady Harriet Gardiner and Luke Wellington Gardiner, Viscount Mountjoy).
Jenkins received £10,000 from Gardiner to cover the jewels and clothing that he had purchased for Margaret, buying his approval for Gardiner's and Power's marriage, after which she changed her name to Marguerite.
Honeymooning in Ireland, they returned to a newly leased town mansion at 10 St. James's Square, London, in 1820.
This address (now the base of Chatham House) soon became a social centre, but their heavy spending and extravagant tastes meant that, despite his annual income of £30,000 from his Irish estates, they were soon both heavily in debt.
On 25 August 1822 they set out for a continental tour with Marguerite's youngest sister, the twenty-one-year-old Mary Anne, and servants.
They met Count D'Orsay (who had first become an intimate of Lady Blessington in London in 1821) in Avignon on 20 November 1822, before settling at Genoa for four months from 31 March 1823.
There they met Byron on several occasions, giving Lady Blessington material for her "Conversations with Lord Byron".
After that they settled for the most part in Naples, also spending time in Florence with their friend Walter Savage Landor, author of the "Imaginary Conversations" greatly admired by Lady Blessington.
It was in Italy, on 1 December 1827, that Count D'Orsay married Harriet Gardiner to strengthen the tie between himself and her stepmother Lady Blessington.
The Blessingtons and the new couple moved to Paris towards the end of 1828, taking up residence in the Hôtel Maréchal Ney, where the Earl suddenly died at forty-six of an apoplectic stroke in 1829.
D'Orsay and his wife then accompanied Lady Blessington to England, but the couple soon separated.
D'Orsay lived with Lady Blessington until her death, and she let out the Earl's St James's house.

Question: When is Charles Gardiner, 1St Earl Of Blessington's wife's birthday?
Answer: 1 September 1789