 The suicide of Nero on 9 June 68 brought the Julio @-@ Claudian dynasty to an end , leading to the chaotic Year of the Four Emperors , which saw the successive rise and fall of the emperors Galba , Otho and Vitellius , until the accession of Vespasian on 21 December 69 . Virtually nothing is known of Nerva 's whereabouts during 69 , but despite the fact that Otho was his brother @-@ in @-@ law , he appears to have been one of the earliest and strongest supporters of the Flavians . 
 The suicide of Nero on 9 June 68 brought the Julio @-@ Claudian dynasty to an end , leading to the chaotic Year of the Four Emperors , which saw the successive rise and fall of the emperors Galba , Otho and Vitellius , until the accession of Vespasian on 21 December 69 . Virtually nothing is known of Nerva <a href='null_genetive' title='1'><mark>'s</mark></a>whereabouts during 69 , but despite the fact that Otho was his brother @-@ in @-@ law , he <a href='uninflect' title='2'><mark>appears</mark></a> to have been one of the earliest and strongest supporters of the Flavians . 
The suicide of Nero on 9 June 68 brought da Julio @-@ Claudian dynasty to an end , leading to tdachaotic Year of the Four Emperors , which saw thdauccessive rise and fall of the emperors Galba , Otho and Vitellius , until thedacession of Vespasian on 21 December 69 . Virtually nothing is known of Nerva  whereabouts during 69 , but despite the dat dat Otho was his brother @-@ in @-@ law , he appear to have been one of the edaiest and strongest supporters of the Flavians .