Question: Who is the paternal grandfather of Charlotte Bacon?

Knowledge 1: Charlotte Bacon
Lady Charlotte Mary Bacon, née Harley (12 December 1801 – 9 May 1880), was the second daughter of Edward Harley, 5th Earl of Oxford and Earl Mortimer.Her beauty as a child prompted Lord Byron to dedicate the first two cantos of "Childe Harold's Pilgrimage" to her, under the name "Ianthe".Lord Byron had been one of the many lovers of her mother, Jane Elizabeth Scott.Lady Charlotte was also the subject of the painting "Lady Charlotte Harley as Hebe" by Richard Westall.According to Byron biographer Benita Eisler, Byron sexually molested Lady Charlotte when she was eleven years old."In the period leading up to his marriage to Annabella Milbanke, early in 1815[Byron]...was enjoying an affair with the coolly promiscuous, forty-year-old militant Whig Lady Oxford [Charlotte’s mother]in the course of which he sexually molested her eleven-year-old daughter, Lady Charlotte Harley, to whom, under the name of Ianthe, he dedicated the seventh printing of "Childe Harold", with attendant high-flown verses.”She married Captain Anthony Bacon in 1823.She stayed with relatives in South Australia between 1869 and 1874, and Charlotte Waters, Northern Territory was named in her honour by R. R. Knuckey and G. R. McMinn in 1871.Her son Harley Bacon had contributed food supplies to Charles Todd's survey team. [SEP] Knowledge 2: Edward Harley, 5th Earl of Oxford and Earl Mortimer
Edward Harley, 5th Earl of Oxford and Earl Mortimer (20 February 1773 – 28 December 1848) was an English nobleman.Harley was the son of John Harley (dean of Windsor) and Roach Vaughan.Edward succeeded to the titles and estates (including the Harley family seat at Brampton Bryan) of his father's elder brother Edward Harley, 4th Earl of Oxford and Earl Mortimer on the 4th Earl's death without issue in 1790.In 1803 Henry Bickersteth became the Earl's medical attendant whilst the Earl was on a tour of Italy, staying with him until 1805.Edward became Bickersteth's friend and patron and in 1835 Bickersteth married the earl's eldest daughter.In 1804 Edward sold the Ewyas Lacy tithes by auction.He commissioned work from the architect Robert Smirke.
Knowledge 1: Charlotte Bacon
Lady Charlotte Mary Bacon, née Harley (12 December 1801 – 9 May 1880), was the second daughter of Edward Harley, 5th Earl of Oxford and Earl Mortimer.Her beauty as a child prompted Lord Byron to dedicate the first two cantos of "Childe Harold's Pilgrimage" to her, under the name "Ianthe".Lord Byron had been one of the many lovers of her mother, Jane Elizabeth Scott.Lady Charlotte was also the subject of the painting "Lady Charlotte Harley as Hebe" by Richard Westall.According to Byron biographer Benita Eisler, Byron sexually molested Lady Charlotte when she was eleven years old."In the period leading up to his marriage to Annabella Milbanke, early in 1815[Byron]...was enjoying an affair with the coolly promiscuous, forty-year-old militant Whig Lady Oxford [Charlotte’s mother]in the course of which he sexually molested her eleven-year-old daughter, Lady Charlotte Harley, to whom, under the name of Ianthe, he dedicated the seventh printing of "Childe Harold", with attendant high-flown verses.”She married Captain Anthony Bacon in 1823.She stayed with relatives in South Australia between 1869 and 1874, and Charlotte Waters, Northern Territory was named in her honour by R. R. Knuckey and G. R. McMinn in 1871.Her son Harley Bacon had contributed food supplies to Charles Todd's survey team. [SEP] Knowledge 2: Fujiwara no Nagara
, also known as Fujiwara no Nagayoshi, was a Japanese statesman, courtier and politician of the early Heian period.He was the grandfather of Emperor Yōzei.
Knowledge 1: Charlotte Bacon
Lady Charlotte Mary Bacon, née Harley (12 December 1801 – 9 May 1880), was the second daughter of Edward Harley, 5th Earl of Oxford and Earl Mortimer.Her beauty as a child prompted Lord Byron to dedicate the first two cantos of "Childe Harold's Pilgrimage" to her, under the name "Ianthe".Lord Byron had been one of the many lovers of her mother, Jane Elizabeth Scott.Lady Charlotte was also the subject of the painting "Lady Charlotte Harley as Hebe" by Richard Westall.According to Byron biographer Benita Eisler, Byron sexually molested Lady Charlotte when she was eleven years old."In the period leading up to his marriage to Annabella Milbanke, early in 1815[Byron]...was enjoying an affair with the coolly promiscuous, forty-year-old militant Whig Lady Oxford [Charlotte’s mother]in the course of which he sexually molested her eleven-year-old daughter, Lady Charlotte Harley, to whom, under the name of Ianthe, he dedicated the seventh printing of "Childe Harold", with attendant high-flown verses.”She married Captain Anthony Bacon in 1823.She stayed with relatives in South Australia between 1869 and 1874, and Charlotte Waters, Northern Territory was named in her honour by R. R. Knuckey and G. R. McMinn in 1871.Her son Harley Bacon had contributed food supplies to Charles Todd's survey team. [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).

Answer: John Harley