Answer:
Nico is a 15yr old Greek Demigod, the son of Hades plus Maria di Angelo. Jason is the son of Jupiter, the Roman aspect of Zeus. Piper is a daughter of Aphrodite, one of the Prophecy of Seven within a demigod at camp half-blood. Frank is a Roman demigod, the son of Mars and Emily Zhang, he is also one of the seven. Hazel is the daughter of Pluto and Marie, one of the seven too.
