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The saints were not related, but they are sometimes associated because they are venerated on the same day. Saint Susanna, virgin and martyr, is said to have been the daughter of Saint Gabinus of Rome. The church became known as Sancta Susanna ad duas domos (cf Kehr, "Italia pontificia", I, 61 seq).
Susanna is mentioned in the Roman Martyrology for 11 August in the following terms: "At Rome, commemoration of Saint Susanna, in whose name, which was mentioned among the martyrs in ancient lists, the basilica of the titular church of Gaius at the Baths of Diocletian was dedicated to God in the sixth century." The commemoration of her that was included in the General Roman Calendar was removed in 1969 because of the legendary character of the Acts of her martyrdom.