Popillia was the daughter of unknown parents. The date and place of her birth have not been found.
Her husband was Lucius II Julius Cæsar. They were married, but the date and place have not been found. Their two known children were Lucius III Julius Cæsar (c0135BC-0087BC) and Gaius Julius Cæsar Strabo Vopiscus (c0130BC-0087BC).
Note 1
The Popilii Laenates was the name of an ancient Roman Plebs family, who lived during the era of the Roman Republic. The Popilii were known for their cruel and arrogant nature. The gens name Popilii is of Etruscan origin.