Question: Who is John Manners-Sutton (1752–1826)'s uncle?

Knowledge 1: John Manners-Sutton (1752–1826)
Lieutenant-Colonel John Manners-Sutton (29 July 1752 – 17 February 1826) was a British soldier and politician who sat in the House of Commons from 1783 to 1796.Manners-Sutton was the second son of Lord George Manners-Sutton.He joined the Army as an Ensign in the 2nd Foot Guards (Coldstream Guards) in 1768.He was promoted to lieutenant and captain in 1775 and to lieutenant-colonel in 1780.He retired from the army in 1790.Manners-Sutton was elected Member of Parliament for Newark at a by-election in 1783.He was re-elected in the general elections of 1784 and 1790 sitting until 1796.He succeeded his brother George Manners-Sutton, inheriting Kelham Hall near Newark, Nottinghamshire, and was appointed High Sheriff of Nottinghamshire for 1808–09.Manners-Sutton married Anne Manners, the illegitimate daughter of John Manners, Marquess of Granby, his first cousin.The couple had six children: [SEP] Knowledge 2: Lord George Manners-Sutton
Lord George Manners-Sutton (8 March 1723 – 7 January 1783, Kelham Hall), born Lord George Manners, was a British nobleman and politician, the third son of John Manners, 3rd Duke of Rutland.On 5 December 1749, he married Diana Chaplin (d. 1767), only daughter of Thomas Chaplin of Blankney, Lincolnshire, by whom he had nine children:He entered Parliament in 1754, succeeding his elder brother, the Marquess of Granby as Member of Parliament for Grantham.In 1762, he adopted the additional surname of Sutton, upon inheriting the estates of that family, including the family seat of Kelham Hall, from his elder brother Lord Robert Manners-Sutton.The change of name, though, was enabled by a 1734 Act of Parliament—many years earlier—when his brother succeeded to those estates.On 5 February 1768, he married Mary Peart, by whom he had one daughter:He died at Kelham Hall in 1783 and was succeeded by his eldest son, George.
Knowledge 1: John Manners-Sutton (1752–1826)
Lieutenant-Colonel John Manners-Sutton (29 July 1752 – 17 February 1826) was a British soldier and politician who sat in the House of Commons from 1783 to 1796.Manners-Sutton was the second son of Lord George Manners-Sutton.He joined the Army as an Ensign in the 2nd Foot Guards (Coldstream Guards) in 1768.He was promoted to lieutenant and captain in 1775 and to lieutenant-colonel in 1780.He retired from the army in 1790.Manners-Sutton was elected Member of Parliament for Newark at a by-election in 1783.He was re-elected in the general elections of 1784 and 1790 sitting until 1796.He succeeded his brother George Manners-Sutton, inheriting Kelham Hall near Newark, Nottinghamshire, and was appointed High Sheriff of Nottinghamshire for 1808–09.Manners-Sutton married Anne Manners, the illegitimate daughter of John Manners, Marquess of Granby, his first cousin.The couple had six children: [SEP] Knowledge 2: George Manners-Sutton
George Manners-Sutton (1 August 1751 – 15 February 1804) was a British politician who sat in the House of Commons from 1774 to 1804.Manners-Sutton was the eldest son of Lord George Manners-Sutton and educated at Eton School and Trinity College, Cambridge.He succeeded his father in 1783, inheriting Kelham Hall near Newark.He was returned as Member of Parliament for Newark from 1774 to 1780, and then for Grantham, a Manners family borough, until 1802, when he was returned for Bramber.He died unmarried in 1804; his heir was his brother John Manners-Sutton.
Knowledge 1: Lord George Manners-Sutton
Lord George Manners-Sutton (8 March 1723 – 7 January 1783, Kelham Hall), born Lord George Manners, was a British nobleman and politician, the third son of John Manners, 3rd Duke of Rutland.On 5 December 1749, he married Diana Chaplin (d. 1767), only daughter of Thomas Chaplin of Blankney, Lincolnshire, by whom he had nine children:He entered Parliament in 1754, succeeding his elder brother, the Marquess of Granby as Member of Parliament for Grantham.In 1762, he adopted the additional surname of Sutton, upon inheriting the estates of that family, including the family seat of Kelham Hall, from his elder brother Lord Robert Manners-Sutton.The change of name, though, was enabled by a 1734 Act of Parliament—many years earlier—when his brother succeeded to those estates.On 5 February 1768, he married Mary Peart, by whom he had one daughter:He died at Kelham Hall in 1783 and was succeeded by his eldest son, George. [SEP] Knowledge 2: George Manners-Sutton
George Manners-Sutton (1 August 1751 – 15 February 1804) was a British politician who sat in the House of Commons from 1774 to 1804.Manners-Sutton was the eldest son of Lord George Manners-Sutton and educated at Eton School and Trinity College, Cambridge.He succeeded his father in 1783, inheriting Kelham Hall near Newark.He was returned as Member of Parliament for Newark from 1774 to 1780, and then for Grantham, a Manners family borough, until 1802, when he was returned for Bramber.He died unmarried in 1804; his heir was his brother John Manners-Sutton.

Answer: Lord Robert Manners-Sutton