The third and usually last name of a citizen of ancient Rome, as Caesar in Gaius Julius Caesar.

古罗马人的姓：古罗马公民的第三个名字，通常是最后一个名字，如凯撒在格尤斯·尤里乌斯·凯撒中。

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In 44 BC, conspirators led by Brutus and Cassius assassinated Gaius Julius Caesar, Roman Emperor.

CNN: Saturday, March 15, 1997R

Virgil and Horace enjoyed the bounty of Gaius Maecenas, and in return wrote poetic ad copy for Gaius' pal Caesar Augustus.

WSJ: A Protest Without Rhyme or Reason | Postmodern Times by Eric Felten