10966
Praenomina used by the gens The only praenomina associated with the Ummidii are Gaius and Marcus ; in some manuscripts of Tacitus , Titus is given in place of Gaius , but this appears to be a mistake .
 Gaius, Marcus, Tacitus, Gaius
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gaius, Marcus, Tacitus, Gaius