Her paternal grandparents were the Pontian Greek Roman Senator and Peripatetic Philosopher, Gnaeus Claudius Severus and his second wife, the Roman Princess Annia Galeria Aurelia Faustina. Her maternal grandparents were wealthy Roman heiress Ummidia Cornificia Faustina and an unnamed Roman Senator. Her paternal half-uncle was Marcus Claudius Ummidius Quadratus, who had been adopted by the Roman Consul Marcus Ummidius Quadratus Annianus, the nephew of the Roman Emperor Marcus Aurelius.