This man rescues a pig and christens it Hychdwn after he transformed  it into a human.
This man rescues a pig and christens it Hychdwn after he transformed  it into a human. He had earlier turned Hyddwn into a man when it was a  stag and Bleiddwn into a person after it was a wolf. In his last  appearance, he nurses a man disguised as an eagle back to health, before  that man takes revenge on Blodeuwedd and Gronw Pebr. This man used  a magical spell to turn the rapists of his future wife into (*) three animals  for three years. After the punishment of Gilfaethwy and Gwydion, this man  married Goewin and sought out another virgin so he could rest his feet on her  lap. For 10 points, name this son of Mathonwy who is the namesake of the last  branch of The Mabinogion.
This man rescues a pig and christens it Hychdwn after he transformed  it into a human.
Math fab Mathonwy