Question: Who is John Beresford, 4Th Marquess Of Waterford's paternal grandfather?

Knowledge 1: John Beresford, 4th Marquess of Waterford
Reverend John de la Poer Beresford, 4th Marquess of Waterford (27 April 1814 – 6 November 1866) was an Irish peer and Church of Ireland minister.Beresford was the third son of the Henry Beresford, 2nd Marquess of Waterford and his wife, Susanna.He was educated at Eton and Trinity College, Cambridge.He later entered the ministry and was the incumbent of Mullaghbrack, County Armagh and a Prebendary of St Patrick's Cathedral, serving under his uncle, Lord John.On 20 February 1843, he married Christiana Leslie, daughter of Charles Powell Leslie II.They had five sons:Beresford inherited the marquessate from his childless brother in 1859.On his own death in 1866, the title passed to his eldest son, John. [SEP] Knowledge 2: Henry Beresford, 2nd Marquess of Waterford
Henry de La Poer Beresford, 2nd Marquess of Waterford KP, PC (Ire) (23 May 1772 – 16 July 1826) styled Lord Le Poer from 1783 until 1789 and Earl of Tyrone from 1789 to 1800, was an Irish peer.Beresford entered the Irish House of Commons for Londonderry County in 1790 and sat for the constituency until the Act of Union.In 1798, he also stood for Coleraine but chose not to sit.Beresford became Marquess of Waterford in 1800 after the death of George Beresford, 1st Marquess of Waterford and was appointed a Knight of the Order of St Patrick on 14 March 1806.
Knowledge 1: John Beresford, 4th Marquess of Waterford
Reverend John de la Poer Beresford, 4th Marquess of Waterford (27 April 1814 – 6 November 1866) was an Irish peer and Church of Ireland minister.Beresford was the third son of the Henry Beresford, 2nd Marquess of Waterford and his wife, Susanna.He was educated at Eton and Trinity College, Cambridge.He later entered the ministry and was the incumbent of Mullaghbrack, County Armagh and a Prebendary of St Patrick's Cathedral, serving under his uncle, Lord John.On 20 February 1843, he married Christiana Leslie, daughter of Charles Powell Leslie II.They had five sons:Beresford inherited the marquessate from his childless brother in 1859.On his own death in 1866, the title passed to his eldest son, John. [SEP] Knowledge 2: John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.He was the grandfather of John Wesley( founder of Methodism).
Knowledge 1: John Beresford, 4th Marquess of Waterford
Reverend John de la Poer Beresford, 4th Marquess of Waterford (27 April 1814 – 6 November 1866) was an Irish peer and Church of Ireland minister.Beresford was the third son of the Henry Beresford, 2nd Marquess of Waterford and his wife, Susanna.He was educated at Eton and Trinity College, Cambridge.He later entered the ministry and was the incumbent of Mullaghbrack, County Armagh and a Prebendary of St Patrick's Cathedral, serving under his uncle, Lord John.On 20 February 1843, he married Christiana Leslie, daughter of Charles Powell Leslie II.They had five sons:Beresford inherited the marquessate from his childless brother in 1859.On his own death in 1866, the title passed to his eldest son, John. [SEP] Knowledge 2: Richard Chenevix (bishop)
Richard Chenevix( 1698 – 11 September 1779) was Bishop of Waterford and Lismore.He was the grandfather of Melesina Trench and was responsible for her upbringing after she was orphaned, until his death.

Answer: George Beresford, 1st Marquess of Waterford