Helen of Troy
King Menelaus lost Helen when she eloped with Paris.
Kassandra
No. Paris died when Troy fell.
Hecuba
Athena
Paris eloped with Helen, the wife of Menelaus king of Sparta.
Menelaus
Paris of Troy was the son of the Trojan king Priam and his wife, Hecuba.
Pris died by one of the poisoned arrows of Hercules.
It's ancient greek mythology. No one actually "wrote" it. It just came to be.
The golden apple is an interesting plot device used in Greek mythology. There are three instances of its appearance: the story of Atalanta, in the garden of Hesperides, and the judgement of Paris.
Achilles, a Greek hero was shot in the heel by Paris, prince of Troy, in the Trojan war. This resulted in the death of Achilles.