Gwythyr ap Greidawl
Gwythyr fab Greidiawl, also Gwythyr ap Greidawl, is the name of a legendary figure from the Mabinogion in Welsh mythology.
The figure of Gwythyr subject in the various versions of the Mabinogion a constant state of change. He is called as the father of Guinevere, wife of King Arthur in the Trioedd Ynys Prydein ( " The Triads of the Island of Britain ").
In a history of the story Culhwch ac Olwen ( " The story of Culhwch and Olwen " ) is the fiancée of Gwythyr Creiddylad. She is kidnapped just before the wedding of Gwynn fab Nudd. The dispute settles King Arthur, by determining that the two rivals would unsubscribe from now until doomsday, respectively on 1 May ( Beltaine ) a duel. The final winner at the end of time, then get Creiddylad wife.
In another version is Gwythyr one of the companions of Arthur in the performance of tasks that Ysbaddaden the matchmakers Culhwch is so that he can marry Olwen. One of the tasks is the achievement of the blood of the "Black Witch Orddu " and here is Gwythyr the companion of the king in the underworld.