Hayes St Leger, 3rd Viscount Doneraile
Hayes St Leger, 3rd Viscount Doneraile (9 May 1786 – 27 March 1854) was an Anglo-Irish peer.
Doneraile was the son of Hayes St Leger, 2nd Viscount Doneraile and Charlotte Bernard.
He served as an officer in the South Cork Militia, eventually attaining the rank of colonel.
On 8 November 1819, he inherited his father's viscountcy and was elected as a representative peer to the British House of Lords in 1830.
He married Lady Charlotte Esther Bernard, daughter of Francis Bernard, 1st Earl of Bandon and Lady Catherine Henrietta Boyle, on 14 June 1816.
Hayes St Leger, 2nd Viscount Doneraile
Hayes St Leger, 2nd Viscount Doneraile( 9 March 1755 — 8 November 1819) was an Anglo- Irish politician and peer.
Doneraile was the son of St Leger St Leger, 1st Viscount Doneraile, and the great- grandson of Arthur St Leger, 1st Viscount Doneraile.
Like his father, he served in the Irish House of Commons as the Member of Parliament for Doneraile, between 1777 and 1787.
He inherited his father's title on 15 May 1787 and assumed his seat in the Irish House of Lords.
He married Charlotte Bernard, the daughter of James Bernard and Esther Smith, on 3 September 1785, and together they had three children.
Arthur St Leger, 1st Viscount Doneraile
Arthur St Leger, 1st Viscount Doneraile (died 7 July 1727) was an Anglo-Irish politician and peer.
St Leger was the son of John St. Leger and his first wife Lady Mary Chichester, the daughter of Arthur Chichester, 1st Earl of Donegall and his first wife Dorcas Hill.
He was a descendant of Sir Anthony St Leger.
Sir John St Leger, Baron of the Court of Exchequer (Ireland), was his half-brother, the son of his father's second marriage to Aphra Harflete, an heiress from Ash in Kent.
John, who was not highly regarded as a lawyer, was said to have owed his success largely to his brother's support, and the two were close throughout their lives.
St Leger represented Doneraile in the Irish House of Commons from 1692 to 1693.
On 23 June 1703 he was raised to the Peerage of Ireland as Viscount Doneraile and Baron Kilmayden.
In 1715, he was invested as a member of the Privy Council of Ireland.
His most noted contribution to public life was during the debate in the Irish House of Lords on the much-debated case of "Sherlock v Annesley" in 1719.
The Barons of the Exchqeuer, including Doneraile's brother John, had given effect to a decree of the British House of Lords, ignoring a contrary decree of the Irish House.
The Irish peers, infuriated by this challenge to their authority, summoned the judges to appear before them and after a short, ill-tempered hearing committed them to prison for three months.
The only peers to vote against committing the judges were Doneraile and the Lord Chancellor of Ireland, Lord Midleton.
While the Lord Chancellor was concerned at the political implications of the Lords' conduct, warning rightly that the House was at risk of losing its judicial powers altogether, Doneraile seems to have been moved by simple family loyalty, as he and his brother were close.
He married Elizabeth Hayes, the daughter of John Hayes, on 24 June 1690.
Together they had four children.
Both of his two surviving sons would, in turn, succeed to his titles.
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St Leger St Leger, 1st Viscount Doneraile
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Hayes St Leger, 4th Viscount Doneraile
Hayes St Leger, 4th Viscount Doneraile (1 October 1818 – 26 August 1887) was an Anglo-Irish peer.
Doneraile was the son of Hayes St Leger, 3rd Viscount Doneraile and Lady Charlotte Esther Bernard.
He married Mary Ann Grace Louisa Lenox-Conyngham, the daughter of George Lenox-Conyngham and Elizabeth Holmes, on 20 August 1851.
Together they had two daughters and a son, although only his daughter Emily Ursula Clare St Leger survived to adulthood.
He sat in the British House of Lords as an Irish representative peer between 1855 and 1887, having succeeded to his father's title in 1854.
He held the office of Deputy Lieutenant and gained the rank of Honorary Colonel in the service of the 9th Battalion, King's Royal Rifle Corps.
Doneraile was one of the great huntsmen of his day and he kept a pet fox, which became rabid and bit its master.
Lord Doneraile contracted rabies and died when he was smothered with pillows by the housemaids to spare him suffering and prevent him spreading the disease to others.
Anthony St Leger (British Army officer)
Major-General Anthony St Leger (1731/32 – 19 April 1786) was a successful soldier, a Member of Parliament for Grimsby, and the founder of the St. Leger Stakes horse race.
Born in February 1731 at Grangemellon, County Kildare, Ireland, he was the fourth son of Sir John St Leger (1674–1743), who was a judge of the Court of Exchequer (Ireland), and his second wife Lavinia, daughter of Kingsmill Pennefather of Cashel, County Tipperary.
He was educated at Eton College.
He attended Peterhouse, Cambridge, before embarking on a career in the army.
His brother Barry St. Leger was also a distinguished army officer.
They belonged to the junior branch of a long established landowning family from County Cork: the head of the senior branch was Viscount Doneraile.
In 1761, St Leger married a Yorkshire woman, Margaret Wombwell.
That same year he was appointed lieutenant-colonel of the 124th Regiment of Foot, but a year later the regiment disbanded, and St Leger took on the "Park Hill" estate in Firbeck, where he later bred and raced horses.
From 1768 to 1774, St Leger sat as MP for Grimsby.
Two years after leaving the Commons, and with the assistance of Charles Watson-Wentworth, 2nd Marquess of Rockingham, he established a two-mile race for three-year-old horses, on the Cantley Common in Doncaster.
This was to become the St. Leger Stakes.
In 1779, St Leger re-entered the army as colonel of the 86th Regiment of Foot.
He subsequently achieved the rank of brigadier general, before serving a period as the Governor of Saint Lucia.
His last posting was in Ireland, by which time he was a major general.
St Leger died on 19 April 1786.
He was buried in Saint Anne's Church, Dublin.
In addition to giving his name to the St Leger Stakes, the "St Leger Arms" public house in Laughton en le Morthen (two miles up the road from the Park Hill estate) is also named after Anthony St Leger.
Arthur St Leger, 2nd Viscount Doneraile
Arthur St Leger, 2nd Viscount Doneraile( c. 1695 – 13 March 1734) was an Anglo- Irish politician and peer.
St Leger was the son of Arthur St Leger, 1st Viscount Doneraile and Elizabeth Hayes.
He was elected to the Irish House of Commons as the Member of Parliament for Doneraile, sitting between 1715 and 1727.
In 1727, he inherited his father's viscountcy and took his seat in the Irish House of Lords.
He married, firstly, Hon. Mary Mohun, daughter of Charles Mohun, 4th Baron Mohun, on 8 June 1717.
He married, secondly, Catherine Sarah Conyngham, daughter of Captain John Conyngham, in March 1725.
He was succeeded by his eldest son from his first marriage, Arthur.

Question: Who is Hayes St Leger, 4Th Viscount Doneraile's paternal grandmother?
Answer: Charlotte Bernard