According to Suetonius , Valerius Maximus , Appian and Dio Cassius , at Julius Caesar 's funeral in 44 BC , a certain Helvius Cinna was killed .
Helvius Cinna was mistaken for Cornelius Cinna .
According to Suetonius , Valerius Maximus , Appian and Dio Cassius , at Julius Caesar 's funeral in 44 BC , a certain Helvius Cinna was killed because he was mistaken for Cornelius Cinna .