ガイウス・カッシウス・ロンギヌス
Gaius Cassius Longinus (c. 85 BCE – 3 October 42 BCE), commonly known as Cassius, is an Assassin, a Roman senator, and Brutus's brother-in-law. On 15 March 44 BCE, Cassius was part of the group Senators who stabbed Julius Caesar.