 According to the 6th-century "acta" of Susanna, the "domus" belonged to two brothers named Caius and Gabinus, prominent Christians.Caius has been identified both with Pope Saint Caius and with Caius the presbyter, who was a prefect and who is a source of information on early Christianity.Gabinus or Gabinius is the name given to the father of the semi-legendary Saint Susanna.