question: Who is Agrippina The Younger's maternal grandmother?
context: [["Mona Hopton Bell", ["Mona Hopton Bell( 1867- 1940) was a British artist, best known for her portraits of civic figures.", "She was the grandmother of the painter Jean H. Bell."]], ["Sextus Afranius Burrus", ["Sextus Afranius Burrus( born AD 1 in Vasio, Gallia Narbonensis; died AD 62) was a prefect of the Praetorian Guard and was, together with Seneca the Younger, an advisor to the Roman emperor Nero, making him a very powerful man in the early years of Nero's reign.", "Agrippina the Younger chose him as Prefect in 51 to secure her son Nero's place as emperor after the death of Claudius.", "For the first eight years of Nero's rule, Burrus and Nero's former tutor Seneca helped maintain a stable government.", "Burrus acquiesced to Nero's murder of Agrippina the Younger but lost his influence over Nero anyway.", "He died in 62, some say from poison.", "The cognomen\" Burrus\" is the Latin version of the name Pyrrhus, king of Epirus."]], ["Agrippina the Elder", ["Agrippina the Elder (Latin:\"Vipsania Agrippina\"; Classical Latin: ; c. 14 BC \u2013 AD 33), commonly referred to as \"Agrippina the Elder\" (Latin: \"Agrippina Maior\"), was a prominent member of the Julio-Claudian dynasty.", "She was born in c. 14 BC the daughter of Marcus Vipsanius Agrippa, a close supporter of Rome's first emperor Augustus, and Augustus' daughter Julia the Elder.", "At the time of her birth, her brothers Lucius and Gaius were the adoptive sons of Augustus and were his heirs until their deaths in AD 2 and 4, respectively.", "Following their deaths, her cousin Germanicus was made the adoptive son of Tiberius as part of Augustus' succession scheme in the adoptions of AD 4 in which Tiberius was adopted by Augustus.", "As a corollary to the adoption, Agrippina was wed to Germanicus in order to bring him closer to the Julian family.", "She is known to have traveled with him throughout his career, taking her children everywhere", "they went.", "In AD 14, Germanicus was deployed in Gaul as governor and general.", "While there, the late Augustus sent her son Gaius to her unspecified location.", "She liked to dress him in a little soldiers' outfit complete with boots for which Gaius earned the nickname \"Caligulalittle soldier's boots\").", "After three years in Gaul they returned to Rome and her husband was awarded a triumph on 26 May AD 17 to commemorate his victories.", "The following year, Germanicus was sent to govern over the eastern provinces.", "While Germanicus was active in his administration, the governor of Syria Gnaeus Calpurnius Piso began feuding with him.", "During the feud, her husband died of illness on 10 October AD 19.", "Germanicus was cremated in Antioch and she transported his ashes to Rome where they were interred at the Mausoleum of Augustus.", "Agrippina was vocal in claiming her husband was murdered to promote Tiberius' son Drusus Julius Caesar (\"Drusus the Younger\") as heir.", "Following the model of her grandmother Livia, she spent the time following Germanicus' death supporting the cause of her sons Nero and Drusus Caesar.", "This put her and her sons at odds with the powerful Praetorian prefect Lucius Aelius Sejanus who would begin eliminating their supporters with accusations of treason and sexual misconduct in AD 26.", "Her family's rivalry with Sejanus would culminate with her and Nero's exile in AD 29.", "Nero was exiled to Pontia and she was exiled to the island of Pandateria, where she would remain until her death by starvation in AD 33."]], ["Octavia the Younger", ["Octavia the Younger( 69 \u2013 11 BC) was the elder sister of the first Roman Emperor, Augustus( known also as Octavian), the half- sister of Octavia the Elder, and the fourth wife of Mark Antony.", "She was also the great- grandmother of the Emperor Caligula and Empress Agrippina the Younger, maternal grandmother of the Emperor Claudius, and paternal great- grandmother and maternal great- great- grandmother of the Emperor Nero.", "One of the most prominent women in Roman history, Octavia was respected and admired by contemporaries for her loyalty, nobility and humanity, and for maintaining traditional Roman feminine virtues."]], ["Agrippina the Younger", ["Agrippina the Younger (Latin: \"Julia Agrippina\"; 6 November AD 15 \u2013 23 March AD 59), also referred to as Agrippina Minor (\"smaller\", often used to mean \"younger\") was a Roman empress and one of the more prominent women in the Julio-Claudian dynasty.", "Her father was Germanicus, a popular general and one-time heir apparent to the Roman Empire under Tiberius; and her mother was Agrippina the Elder, a granddaughter of the first Roman emperor Augustus.", "She was also the younger sister of Caligula, as well as the niece and fourth wife of Claudius.", "Both ancient and modern sources describe Agrippina's personality as ruthless, ambitious, violent, and domineering.", "Physically she was a beautiful and reputable woman; according to Pliny the Elder, she had a double canine in her upper right jaw, a sign of good fortune.", "Many ancient historians accuse Agrippina of poisoning her husband Claudius, though accounts vary.", "She briefly served as the de facto ruler of Rome during the reign of her son, emperor Nero.", "In AD 59 Agrippina was executed on the orders of Nero."]], ["Hannah Arnold", ["Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children."]], ["Scribonia (wife of Octavian)", ["Scribonia( c. 70 BC \u2013 c. 16 AD) was the second wife of Octavian, later the Roman Emperor Augustus, and the mother of his only natural child, Julia the Elder.", "Through her youngest daughter she was the mother- in- law of the Emperor Tiberius, great- grandmother of the Emperor Caligula and Empress Agrippina the Younger, and great- great grandmother of the Emperor Nero."]], ["Tjuyu", ["Tjuyu( sometimes transliterated as Thuya or Thuyu) was an Egyptian noblewoman and the mother of queen Tiye, and the wife of Yuya.", "She is the grandmother of Akhenaten, and great grandmother of Tutankhamun."]], ["Antonia Minor", ["Antonia Minor, also known as Julia Antonia Minor, Antonia the Younger or simply Antonia( 31 January 36 BC- 1 May AD 37) was the younger of two daughters of Mark Antony and Octavia Minor.", "She was a niece of the Emperor Augustus, sister of Cleopatra Selene II, sister- in- law of the Emperor Tiberius, paternal grandmother of the Emperor Caligula and Empress Agrippina the Younger, mother of the Emperor Claudius, and both maternal great- grandmother and paternal great- aunt of the Emperor Nero.", "She was additionally the maternal great- aunt of the Empress Valeria Messalina and Faustus Cornelius Sulla Felix, the paternal grandmother of Claudia Antonia, Claudia Octavia, and Britannicus and the maternal grandmother of Julia Livia and Tiberius Gemellus."]], ["Hubba bint Hulail", ["Hubba bint Hulail was the grandmother of Hashim ibn' Abd Manaf, thus the great- great- great- grandmother of the Islamic\" Nab\u012b\"( Prophet) Muhammad ibn Abdullah."]]]
supporting_facts: [["Agrippina the Younger", 1], ["Agrippina the Elder", 1]]
evidences: [["Agrippina the Younger", "mother", "Agrippina the Elder"], ["Agrippina the Elder", "mother", "Julia the Elder"]]
answer: Julia the Elder