Dēiphobus, in Greek myth, son of Priam, king of Troy, and of Hecuba. He took a prominent part in the fighting at Troy. After the death of Paris he married Helen and was subsequently killed at the fall of Troy. His body disappeared, but Aeneas erected a cenotaph to him on Cape Rhoeteum; on his visit to the Underworld Aeneas heard the story of his death from Deiphobus himself (see AENEID




