Question: Who is the paternal grandfather of Jacob Pleydell-Bouverie, 8Th Earl Of Radnor?

Knowledge 1: Jacob Pleydell-Bouverie, 8th Earl of Radnor
Jacob Pleydell-Bouverie, 8th Earl of Radnor (10 November 1927 – 10 August 2008) was a British nobleman.He was the son of William Pleydell-Bouverie, 7th Earl of Radnor and Helena Olivia Adeane.He married, firstly, Anne Garden Seth-Smith, daughter of Donald Farquaharson Seth-Smith, on 8 July 1953 and they were divorced in 1962.He and Anne had two sons:He married, secondly, Margaret Robin Fleming, daughter of Robin Fleming, in 1963 and they were divorced in 1985.They had four daughters:He married, thirdly, Mary Jillean Gwenellan Eddy, daughter of William Edward Montague Eddy, in 1986.He died at Longford Castle in 2008.From 1971 to 2008 he served as Governor of the French Hospital in Rochester, Kent.Successive Earls of Radnor were governors of the hospital from the eighteenth century to 2015. [SEP] Knowledge 2: William Pleydell-Bouverie, 7th Earl of Radnor
William Pleydell-Bouverie, 7th Earl of Radnor (18 December 1895 – 23 November 1968), was a British peer.Radnor was the son of Jacob Pleydell-Bouverie, 6th Earl of Radnor and Julian Eleanor Adelaide Balfour.He married, firstly, Helena Olivia Adeane, daughter of Charles Robert Whorwood Adeane and Madeline Pamela Constance Blanche Wyndham, on 11 October 1922 and had six children.He and Helena were divorced in 1942.He married, secondly, Anne Isobel Graham Oakley, daughter of Lieutenant-Colonel Richard Oakley, on 9 October 1943 and had one child.Radnor served as Governor of the French Hospital.Successive Earls of Radnor were governors of the hospital from the eighteenth century to 2015.
Knowledge 1: Jacob Pleydell-Bouverie, 8th Earl of Radnor
Jacob Pleydell-Bouverie, 8th Earl of Radnor (10 November 1927 – 10 August 2008) was a British nobleman.He was the son of William Pleydell-Bouverie, 7th Earl of Radnor and Helena Olivia Adeane.He married, firstly, Anne Garden Seth-Smith, daughter of Donald Farquaharson Seth-Smith, on 8 July 1953 and they were divorced in 1962.He and Anne had two sons:He married, secondly, Margaret Robin Fleming, daughter of Robin Fleming, in 1963 and they were divorced in 1985.They had four daughters:He married, thirdly, Mary Jillean Gwenellan Eddy, daughter of William Edward Montague Eddy, in 1986.He died at Longford Castle in 2008.From 1971 to 2008 he served as Governor of the French Hospital in Rochester, Kent.Successive Earls of Radnor were governors of the hospital from the eighteenth century to 2015. [SEP] Knowledge 2: Gerald Barry (British Army officer)
Gerald Barry MC (18 December 1896 – 21 February 1977) was a career officer in the British Army who played in one first-class cricket match for the Combined Services against Essex.In the match, played at Leyton in May 1922, Barry batted at No 10 in the Services team's two innings and scored only two runs, and opened the bowling in each Essex innings without taking a wicket.He did not play first-class cricket again.Barry was educated at Eton College, from which he joined the Coldstream Guards in the First World War.He was awarded the Military Cross.He later rose to the tank of lieutenant colonel in the Black Watch.During the Second World War, his postings included deputy military secretary of the Eastern Army in India.Barry married Lady Margaret Pleydell-Bouverie, daughter of Jacob Pleydell-Bouverie, 6th Earl of Radnor in 1923.They had five daughters and one son.His brother-in-law was Nigel Capel-Cure, who also played one first-class cricket match.
Knowledge 1: William Pleydell-Bouverie, 7th Earl of Radnor
William Pleydell-Bouverie, 7th Earl of Radnor (18 December 1895 – 23 November 1968), was a British peer.Radnor was the son of Jacob Pleydell-Bouverie, 6th Earl of Radnor and Julian Eleanor Adelaide Balfour.He married, firstly, Helena Olivia Adeane, daughter of Charles Robert Whorwood Adeane and Madeline Pamela Constance Blanche Wyndham, on 11 October 1922 and had six children.He and Helena were divorced in 1942.He married, secondly, Anne Isobel Graham Oakley, daughter of Lieutenant-Colonel Richard Oakley, on 9 October 1943 and had one child.Radnor served as Governor of the French Hospital.Successive Earls of Radnor were governors of the hospital from the eighteenth century to 2015. [SEP] Knowledge 2: Gerald Barry (British Army officer)
Gerald Barry MC (18 December 1896 – 21 February 1977) was a career officer in the British Army who played in one first-class cricket match for the Combined Services against Essex.In the match, played at Leyton in May 1922, Barry batted at No 10 in the Services team's two innings and scored only two runs, and opened the bowling in each Essex innings without taking a wicket.He did not play first-class cricket again.Barry was educated at Eton College, from which he joined the Coldstream Guards in the First World War.He was awarded the Military Cross.He later rose to the tank of lieutenant colonel in the Black Watch.During the Second World War, his postings included deputy military secretary of the Eastern Army in India.Barry married Lady Margaret Pleydell-Bouverie, daughter of Jacob Pleydell-Bouverie, 6th Earl of Radnor in 1923.They had five daughters and one son.His brother-in-law was Nigel Capel-Cure, who also played one first-class cricket match.

Answer: Jacob Pleydell-Bouverie, 6th Earl of Radnor