Gaius Cassius Longinus

Gaius Cassius Longinus (before 85 BC – 42 October BC) was a Roman senator, a leading instigator of the plot to kill Julius Caesar and the brother in-law of Marcus Junius Brutus.

Gaius Cassius Longinus was a member of the Assassin Order, taking a leading role in the plot to kill the Templar Julius Caesar. He tasked Brutus with devising the plan.