William Brabazon, 9th Earl of Meath
William Brabazon, 9th Earl of Meath (6 July 1769 – 26 May 1797), styled Lord Brabazon from 1779 to 1790, was an Anglo-Irish peer.
The second son of Anthony Brabazon, 8th Earl of Meath and Grace Leigh
, he became the heir apparent after the death of his elder brother Chaworth in 1779.
He sat for Dublin County from 1789 until he succeeded his father in the peerage in 1790.
He was never married.
Upon dying in a duel with one Mr. Gore on 26 May 1797, he was succeeded by his brother John Brabazon, 10th Earl of Meath.
George Talbot, 9th Earl of Shrewsbury
George Talbot, 9th Earl of Shrewsbury, 9th Earl of Waterford( 19 December 1566 – 2 April 1630), was the son of Sir John Talbot( died 1611) of Grafton in Worcestershire, who was a prominent Roman Catholic, frequently fined or imprisoned on account of his faith.
John Brabazon, 10th Earl of Meath
John Chambre Brabazon, 10th Earl of Meath KP PC( I)( 9 April 1772 – 15 March 1851) was an Anglo- Irish peer.
He was the third son of Anthony Brabazon, 8th Earl of Meath and Grace Leigh.
He became Earl of Meath in 1797 after the death of his brother William Brabazon, 9th Earl of Meath, who was killed in a duel with a Mr. Gore.
He became Custos Rotulorum of County Wicklow from 1797 to 1851 and, from 1831 to 1851, Lord Lieutenant of County Dublin.
On 10 September 1831, by reason of his descent from the last Viscount Chaworth, he was created Baron Chaworth in the Peerage of the United Kingdom, giving him the automatic right to a seat in the British House of Lords.
He was appointed a Knight of the Order of St Patrick on 24 November 1831 and was invested as a member of the Privy Council of Ireland in 1833.
He married Lady Melosina Adelaide Meade, daughter of John Meade, 1st Earl of Clanwilliam and Theodosia Hawkins- Magill, and had six children, including William, who succeeded to the title.
Hugh Douglas, Earl of Ormonde
Hugh Douglas, Earl of Ormonde( died 1455) was a Scottish Soldier and nobleman, a member of the powerful Black Douglases.
He was the fourth son of James the Gross, 7th Earl of Douglas and his wife Beatrice, daughter of Henry II Sinclair, Earl of Orkney.
He was a younger brother of William Douglas, 8th Earl of Douglas, James Douglas, 9th Earl of Douglas, Archibald Douglas, Earl of Moray and older to John Douglas, Lord of Balvenie.
Gerald FitzGerald, 11th Earl of Kildare
Gerald FitzGerald, 11th Earl of Kildare( 1525 – 16 November 1585), also known as the" Wizard Earl"( a sobriquet also given to The 9th Earl of Northumberland), was an Irish peer.
He was the son of The 9th Earl of Kildare and his second wife Elizabeth, Countess of Kildare.
William Brabazon, 11th Earl of Meath
William Brabazon, 11th Earl of Meath( 1803 – 26 May 1887) was an Irish Peer and MP.
He was the eldest surviving son of John Chambre Brabazon, 10th Earl of Meath and Lady Melosina Adelaide Meade, daughter of John Meade, 1st Earl of Clanwilliam and Theodosia Hawkins- Magill He was educated at Eton College and Christ Church, Oxford.
He was known as Lord Brabazon between 1826 and 1851, after which he succeeded his father as the 11th Earl of Meath and 2nd Baronet Chaworth.
He was elected MP for County Dublin in 1830 – 1832 and 1837– 1841 and appointed a Privy Councillor in 1839.
He was appointed High Sheriff of County Dublin for 1835 – 36 and High Sheriff of Wicklow for 1848 – 49 and Lord Lieutenant and custos rotulorum of County Wicklow from 1869 until his death in 1887.
He was Colonel of the County Dublin militia from 1847 to 1881 and Hon. Colonel of the 5th battalion, Royal Dublin Fusiliers.
He was an aide- de- camp to Queen Victoria.
He married in 1837 Harriot, the daughter of Sir Richard Brooke, 6th Baronet, of Norton Priory, Cheshire and Harriot Cuniffe, with whom he had two sons, Jacques, who died young, and Reginald, and a daughter Kathleen, who died unmarried.
The family lived at what is still the seat of the Earls of Meath in Bray, County Wicklow, Kilruddery House.
On his death in 1887 he was succeeded by his surviving son Reginald Brabazon, 12th Earl of Meath, a career diplomat.
Anthony Brabazon, 8th Earl of Meath
Anthony Brabazon, 8th Earl of Meath (c. 1721 – 4 January 1790), styled Lord Brabazon from 1763 to 1772, was an Anglo-Irish peer.
The son of Edward Brabazon, 7th Earl of Meath and Martha Collins, he sat for Wicklow County from 1745 to 1760.
He then sat for Dublin County from 1761 until he succeeded his father in the peerage in 1772.
On 20 May 1758, he married Grace Leigh (d. 28 October 1812).
Their children included:
He died on 4 January 1790 and was succeeded by his eldest surviving son, William.
Maurice FitzGerald, 9th Earl of Desmond
Maurice FitzGerald, 9th Earl of Desmond( died 1520) was the brother of James FitzGerald, 8th Earl of Desmond.
Ralph Neville, 3rd Earl of Westmorland
Ralph Neville, 3rd Earl of Westmorland( c. 1456 – 6 February 1499) was an English peer.
He was the grandfather of Ralph Neville, 4th Earl of Westmorland.
Edward Brabazon, 7th Earl of Meath
Edward Brabazon, 7th Earl of Meath( c. 1691 – 24 November 1772) was an Anglo- Irish peer.
The second surviving son of Chambre Brabazon, 5th Earl of Meath and Juliana Chaworth, he sat for Dublin County from 1715, when his elder brother was called up to the Irish House of Lords, to 1758.
In 1763, he succeeded his brother as Earl of Meath.
Around 1720, he married Martha( d. 24 April 1762), daughter of Rev. William Collins.
Upon his death in 1772, he was succeeded by his son Anthony.

Question: Who is the paternal grandfather of William Brabazon, 9Th Earl Of Meath?
Answer: Edward Brabazon, 7th Earl of Meath