Math fab Mathonwy
KING IN WELSH MYTHOLOGY
Math Mathonwy; Mathonwy; Math (Mabinogion); Math son of Mathonwy; Caer Dathyl; Math (god); Math ap Mathonwy; Caer Dathyl (Prydain)
In Welsh mythology, Math fab Mathonwy (), also called Math ap Mathonwy (Math, son of Mathonwy) was a king of Gwynedd who needed to rest his feet in the lap of a virgin unless he was at war, or he would die. The story of Math is the fourth of the Four Branches of the Mabinogi.