I'm going to assume that you're asking which son of Zeus killed Medusa, in which case the answer would be Perseus.
Perseus.
Perseus
Yes, Hermes is the son of Zeus because forgetting he had a wife (Hera) Zeus impregnated Maia
Europa who had Minos and Rhadamanthys by Zeus; later, a third son, Sarpedon was added to the myth. She is also said to have borne a daughter, Crete.
His punishment from Zeus for hunting down and killing Pegasi (winged horses). It also didn't help that he was engaged to Andromeda, and Zeus wanted him out of the way for his son Perseus.
Perseus.
Perseus.
Zyzz Shaversarian
No, he did not. The hero Perseus killed Medusa. Perseus was also Zeus' son but his mom was mortal.
demigod son of zeus, killed medusa
Perseus is the demigod son of Zeus that slayed Medusa.
Perseus was the son of Zeus and Danae. He was the hero who killed Medusa and is sometimes shown holding her severed head. Perseus does not have many weaknesses or flaws but he can be somewhat deceptive.
Perseus, son of Zeus, killed Medusa because she turned people to stone -- essentially, because she was a murderer.
Perseus, son of Zeus (The Perseus, not Percy Jackson) he used Medusa's head to petrify the Kraken so it wouldn't kill her as a sacrifice.
Perseus, the son of Zeus and Danae.
Perseus
What Perseus is most famous for is for being the son of Zeus and killing Medusa.