Bliss, Cupid's son, was Hercules' great nephew Ī first cousin of Hercules' was Triton, son of Poseidon.Hercules had at least one mortal uncle or aunt, the parent of Iloran. Hercules was briefly engaged to Lucretiana, although he had no intention of marrying her and she ended up breaking it off after seeing how dangerous a life he leads. She was killed by Strife, though history was later rewritten and she lived but never had a relationship with Hercules. However, Hera killed Deianeira and all three children with a fireball. He had three children with her: Aeson, Klonus, and Ilea. Hercules' first marriage was to Deianeira. Through his stepfather Jason, Hercules was the stepbrother of Seska and several step-siblings killed by Medeathis. Persephone, daughter of Zeus and Demeter.Ares, god of war (son of Zeus and Hera).Apollo, god of light (son of Zeus and Hera).Iphicles, mortal half-brother (son of Amphitryon and Alcmene).