Genaro is incorrectly written and should be written as "Gennaro or Januarius." being its meaning: Is a name of origin male Latino ( Roman ) means devoted to the God Janus, for this reason, it is also possible to write it with J: Jenaro. Devoted to peace, peacemaker. San Genaro is a Saint of the Catholic Church, which according to the tradition, not condensed permanently blood ( with the prayer of the faithful suffer liquefaction ) initially of baptism was called Proculus or Protocol.