Antistia was the daughter of unknown parents. The date and place of her birth have not been found.
Her husband was Gnaeus Pompeius Magnus. They were married, but the date and place have not been found. They had no known children.
Note 1
Antistia was the first wife of Pompey the Great. Pompey had been arraigned on charges of peculation of plunder. The judge of Pompey's trial happened to be Antistia's father. Pompey made a deal with Antistius, and agreed to marry Antistia. In exchange, he was acquitted.