 Nero 's mother was Agrippina the Younger , a great @-@ granddaughter of Caesar Augustus and his wife Scribonia through their daughter Julia the Elder and her husband Marcus Vipsanius Agrippa . Agrippina 's father , Germanicus , was a grandson of Augustus 's wife , Livia , on one side and to Mark Antony and Octavia on the other . Germanicus ' mother Antonia Minor , was a daughter of Octavia Minor and Mark Antony . Octavia was Augustus ' elder sister . Germanicus was also the adopted son of Tiberius . Agrippina poisoned her second husband Passienus Crispus , so many ancient historians also accuse her of murdering her third husband , the emperor Claudius . 
 Nero <a href='null_genetive' title='1'><mark>'s</mark></a>mother was Agrippina the Younger , a great @-@ granddaughter of Caesar Augustus and his wife Scribonia through their daughter Julia the Elder and her husband Marcus Vipsanius Agrippa . Agrippina <a href='null_genetive' title='2'><mark>'s</mark></a>father , Germanicus , was a grandson of Augustus <a href='null_genetive' title='3'><mark>'s</mark></a>wife , Livia , on one side and to Mark Antony and Octavia on the other . Germanicus <a href='null_genetive' title='4'><mark>'</mark></a>mother Antonia Minor , was a daughter of Octavia Minor and Mark Antony . Octavia was Augustus <a href='null_genetive' title='5'><mark>'</mark></a>elder sister . Germanicus was also the adopted son of Tiberius . Agrippina poisoned her second husband Passienus Crispus , so many ancient historians also accuse her of murdering her third husband , the emperor Claudius . 
Nero  mother was Agrippina the Younger , a great @-@ granddaughter of Caesar Augustus and his wife Scribonia through their daughter Julia the Elder and her husband Marcus Vipsanius Agrippa . Agrippina  father , Germanicus , was a grandson of Augustus  wife , Livia , on one side and to Mark Antony and Octavia on da other . Germanicus  mother Antonia Minor , was a daughter of Octavia Minor and Mark Antony . Octavia was Augustus  elder sister . Germanicus was also the adopted son of Tiberius . Agrippina poisoned her second husband Passienus Crispus , soo many ancient historians also accuse her of murdering her third husband , tdaemperor Claudius .