Question: how are brutus and cassius related?
Answer: Gaius Cassius Longinus (3 October, c. 86 BC – 3 October 42 BC), often referred to as simply Cassius, was a Roman senator and general best known as a leading instigator of the plot to assassinate Julius Caesar on March 15, 44 BC. He was the brother-in-law of Brutus, another leader of the conspiracy.