kinship
• descended from eponymous ancestors (e.g. Sabinus)

language
• Osco-Umbrian or Sabellic (Indo-European language family)

religion

• Mamers (Lat. Mars), Semo Sancus

customs
• ver sacrum ("sacred spring")
• mercenary service, particularly in Sicily (e.g. Nacona/Nakōnē)

identity
• Campanii (Capua/Santa Maria Capua Vetere)
    Opicii
    Mamertinii (Messana/Messina; Rhegium/Reggio di Calabria)