Question: What is the date of death of Ceionia Plautia's father?
Sentence (from "Ceionia 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 Aelia or Fundania Plautia.
Relevant evidence: No