NoDictionaries   Text notes for  
... morituro. occidit et Pelopis genitor, conviva deorum, ...

Pelopis genitor: "Tantalus" by antonomasia, which according to Wikipedia. is "a kind of metonymy in which an epithet or phrase takes the place of a proper name, such as "the little corporal" for Napoleon I. Conversely, antonomasia can also be using a proper name as an archetypal name, to express a generic idea."