Birth and first experiences Gaius Julius Caesar was born in Rome on July 13, 100 BC from the noble gens Iulia, a patrician family that boasted a mythical descent from Iulo, son of the Trojan hero Aeneas, and therefore from Venus. Caesar, nephew of Gaius Mario, married, very young, Cornelia, daughter of Lucio Cornelio Cinna, one of the leaders of the Marian party. This bond with a family notoriously aligned with the popular, in addition to the relationship with Gaius Mario, attracted the aversion of the senatorial oligarchy and Silla. He had to leave Rome, but returned after the death of Silla (78 BC) and began his career as a lawyer and politician along the different stages of cursus honorum. The stages of Julius Caesar's cursus honorum He was Quaestor in Spain in 68 B.C.; building in 65 B.C.; maximum pontiff in 63 B.C.; praetor in 62 B.C.; proprector in Further Spain in 61 B.C. The First Triumvirate In 60 B.C. Julius Caesar stipulated with Pompey and Crassus the so-called secret agree