Question: When did John Brabazon, 10Th Earl Of Meath's father die?

Knowledge 1: 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. [SEP] Knowledge 2: 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.
Knowledge 1: 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. [SEP] Knowledge 2: Archibald Acheson, 3rd Earl of Gosford
Archibald Acheson, 3rd Earl of Gosford KP (20 August 1806 – 15 June 1864), styled Viscount Acheson between 1807 and 1849, was a British peer and Member of Parliament.He was the only son of Archibald Acheson, 2nd Earl of Gosford of Gosford Castle, County Armagh and educated at Harrow School and Christ Church, Oxford.He succeeded to his father's Irish titles and estates in 1849.He was elected in 1830 as the Member of Parliament for County Armagh in the British House of Commons, a seat he held until 1847, when he was ennobled as 1st Baron Acheson, of Clancairney, County Armagh, in the Peerage of the United Kingdom.He was created a Knight of the Order of St. Patrick in 1855.He was appointed lord-lieutenant and custos rotulorum of co. Armagh from February 1864 to his death later that year.He married Theodosia, daughter of John Brabazon, 10th Earl of Meath, on 22 June 1832, with whom he had seven children:
Knowledge 1: 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. [SEP] Knowledge 2: 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.

Answer: 4 January 1790