 His great @-@ grandfather was Consul in 36 BC ( in replacement , and abdicated ) , and Governor of Asia in the same year . His grandfather became Consul Suffect in July of either 21 or 22 , and was known as a personal friend of Emperor Tiberius ( AD 14 – 37 ) , accompanying the emperor during his voluntary seclusion on Capri from 23 onwards , dying in 33 . Nerva 's father , finally , attained the consulship in 40 under emperor Caligula ( 37 – 41 ) . The Cocceii were connected with the Julio @-@ Claudian dynasty through the marriage of Sergia Plautilla 's brother Octavius Laenas , and Rubellia Bassa , the great @-@ granddaughter of Tiberius . 
 His great @-@ grandfather was Consul in 36 BC ( in replacement , and abdicated ) , and Governor of Asia in the same year . His grandfather became Consul Suffect in July of either 21 or 22 , and was known as a personal friend of Emperor Tiberius ( AD 14 – 37 ) , accompanying the emperor during his voluntary seclusion on Capri from 23 onwards , dying in 33 . Nerva <a href='null_genetive' title='1'><mark>'s</mark></a>father , finally ,<a href='been_done' title='2'><mark></mark></a> attained the consulship in 40 under emperor Caligula ( 37 – 41 ) . The Cocceii <a href='uninflect' title='3'><mark>were</mark></a> connected with the Julio @-@ Claudian dynasty through the marriage of Sergia Plautilla <a href='null_genetive' title='4'><mark>'s</mark></a>brother Octavius Laenas , and Rubellia Bassa , the great @-@ granddaughter of Tiberius . 
His great @-@ grandfather was Consul in 36 cus ( in replacement , and abdicated ) , and Governor of Asia in da same year . His grandfather became Consul Suffect in July of either 21 or 22 , and was known as a personal homie of Emperor Tiberius ( AD 14 – 37 ) , accompanying tdaemperor during his voluntary seclusion on Capri from 23 onwards , dyin in 33 . Nerva  father , finally , done attained thdaonsulship in 40 under emperor Caligula ( 37 – 41 ) . The Cocceii was connected with the Julio @-@ Claudian dynasty through the marriage of Sergia Plautilla  brother Octavius Laenas , and Rubellia Bassa , thedaeat @-@ granddaughter of Tiberius .