late 2nd and early 1st centuries BC) was a Roman born into an equestrian family in Picenum (in the south and the north of the modern regions of Marche and Abruzzo respectively) in central Italy, on the Adriatic coast.
Through his brother, he was the paternal uncle to triumvir Pompey (Gnaeus Pompeius Magnus) and his sister Pompeia.
Sextus never obtained any high office of state, although he gained a great reputation as a learned man.
The historian and senator Cicero, praised Sextus in his writings for his accurate knowledge of geometry, Stoicism and jurisprudence.
The only time that his name is recorded in Roman public affairs was when, on one occasion, Sextus was present with his younger brother in his military camp during the Social War.
The son of Pompey the Great was defeated at the battles of Mylae and Naulochus in 36 BC and fled to the Greek East.
Sextus was a patron of literature and the Roman poet Ovid addressed to him four poems when he was living in exile.
"[4] Based on Cassius Dio's assertion that this Sextus Pompeius had a connection to the imperial family,[5] Syme catalogues some possible individuals who could have been his mother.
Some authorities follow Bartolomeo Borghesi and assert she was the daughter of Lucius Marcius Philippus suffect consul in 38 BC.