How many caesars did ancient rome have

There is only one Julius Caesar- even thought there are many people who are named after him, too. The emporers, Tiberius, Claudius, Caligula, Nero are related to Julius. There are mor emperors who were not related to him, but the Roman senate voted each one a member of the caesar family. 

Only 1 - Julius Caesar.
History class is hard

The American Civil War
Answer explanation: Im black