Marcus Licinius Crassus (86 or 85 BC–ca. 49 BC) was a quaestor of the Roman Republic in 54 BC. He was the elder son of the Marcus Crassus who formed the political alliance known as the "First Triumvirate" with Pompeius Magnus ("Pompey the Great") and Julius Caesar. His mother was Tertulla, the daughter of Marcus Varro Lucullus. Crassus and his younger son, Publius, died at the Battle of Carrhae in 53 BC, after which time Marcus continued to be a partisan of Caesar.