She had three siblings: a sister called Ceionia Fabia; two brothers the Roman Emperor Lucius Verus who co-ruled with Marcus Aurelius from 161 to 169 and Gaius Avidius Ceionius Commodus.
[2][3] Her maternal grandparents were the Roman Senator Gaius Avidius Nigrinus and the surmised but undocumented noblewoman Plautia.
Although her adoptive paternal grandparents were the Roman Emperor Hadrian and Roman Empress Vibia Sabina, her biological paternal grandparents were the consul Lucius Ceionius Commodus and noblewoman Plautia.
[citation needed] Plautia married Quintus Servilius Pudens, consul in 166.
[4] Plautia bore Pudens a daughter called Servilia, who married Junius Licinius Balbus, a man of consular rank.