137316
Another of the elder Cottius ' sons was the Roman centurian Julius Vestalis , who retook the frontier post of Aegyssus ( modern Tulcea ) on the Danube after it was captured by the Getae , a deed celebrated by Ovid in his Epistulae ex Ponto IV .
 Cottius, Julius, Tulcea, Ovid
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cottius, Julius, Tulcea, Ovid