In Welsh Celtic mythology, Arianrhod or Arianrod (Silver-Wheel or Silver- Circle) was the virgin white goddess of birth, initiation, death and rebirth. She Who turns the circle of heaven. She was a sister and wife of Gwydion. Research Arianrhod
In Celtic mythology Dylan was a god of darkness, a twin son of Gwydion and Arianrhod. He was a sea god, and swam like a fish. Upon his death at the hands of a spear thrown by his uncle Govannan, the sea for ever more wept for him in the form of waves crashing on the shore. Research Dylan