Creiddylad is a figure from Welsh mythology

Welsh mythology

Welsh mythology, the remnants of the mythology of the pre-Christian Britons, has come down to us in much altered form in medieval Welsh manuscripts such as the Red Book of Hergest, the White Book of Rhydderch, the Book of Aneirin and the Book of Taliesin....

 known from the early medieval Welsh Arthurian tale of Culhwch ac Olwen

Culhwch and Olwen

Culhwch and Olwen is a Welsh tale about a hero connected with Arthur and his warriors that survives in only two manuscripts: a complete version in the Red Book of Hergest, ca. 1400, and a fragmented version in the White Book of Rhydderch, ca. 1325. It is the longest of the surviving Welsh prose...

, one of the tales of the Mabinogion

Mabinogion

The Mabinogion is the title given to a collection of eleven prose stories collated from medieval Welsh manuscripts. The tales draw on pre-Christian Celtic mythology, international folktale motifs, and early medieval historical traditions...

. She is the daughter of Lludd Llaw Eraint

Lludd Llaw Eraint

Lludd Llaw Eraint, "Lludd of the Silver Hand", son of Beli Mawr, is a legendary hero from Welsh mythology. As Nudd Llaw Eraint he is the father of Gwyn ap Nudd...

. It is over her that Gwythyr ap Greidawl

Gwythr ap Greidawl

In Welsh mythology, Gwythyr ap Greidawl was a rival of Gwyn ap Nudd, a deity connected with the otherworld. In the Middle Welsh prose tale Culhwch ac Olwen, he is named as a member of Arthur's retinue and takes part in the quest to win the hand of Olwen for Arthur's cousin, Culhwch. Gwthyr would...

 and Gwyn ap Nudd

Gwyn ap Nudd

Gwyn ap Nudd is a Welsh mythological figure, the king of the Tylwyth Teg or "fair folk" and ruler of the Welsh Otherworld, Annwn. Described as a great warrior with a "blackened face", Gwyn is intimately associated with the otherworld in medieval Welsh literature, and is associated with the...

 fight.

Originally betrothed to Gwythr ap Greidawl, Creiddylad is abducted by her other suitor, Gwyn ap Nudd, causing the two rivals to go to fight over her. King Arthur

King Arthur

King Arthur is a legendary British leader of the late 5th and early 6th centuries, who, according to Medieval histories and romances, led the defence of Britain against Saxon invaders in the early 6th century. The details of Arthur's story are mainly composed of folklore and literary invention, and...

 settles the feud by arranging for the two to engage in single combat every May Day

May Day

May Day on May 1 is an ancient northern hemisphere spring festival and usually a public holiday; it is also a traditional spring holiday in many cultures....

 until Doomsday

Last Judgment

The Last Judgment, Final Judgment, Day of Judgment, Judgment Day, or The Day of the Lord in Christian theology, is the final and eternal judgment by God of every nation. The concept is found in all the Canonical gospels, particularly the Gospel of Matthew. It will purportedly take place after the...

; in the meantime Creiddylad will stay with her father.

The names of Creiddylad's and Gwyn's fathers, Lludd and Nudd, are likely cognate, and both seem to be variants of the pan-Celtic deity Nodons. The etymology of Creiddylad is uncertain.

Creiddylad's story is somewhat similar to Persephone

Persephone

In Greek mythology, Persephone , also called Kore , is the daughter of Zeus and the harvest-goddess Demeter, and queen of the underworld; she was abducted by Hades, the god-king of the underworld....

's in Greek mythology

Greek mythology

Greek mythology is the body of myths and legends belonging to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices. They were a part of religion in ancient Greece...

. Some researchers equate her with Queen Cordelia

Queen Cordelia

Queen Cordelia was a legendary Queen of the Britons, as recounted by Geoffrey of Monmouth. She was the youngest daughter of Leir and the second ruling queen of pre-Roman Britain. There is no independent historical evidence for her existence....

 in Geoffrey of Monmouth

Geoffrey of Monmouth

Geoffrey of Monmouth was a cleric and one of the major figures in the development of British historiography and the popularity of tales of King Arthur...

's Latin pseudo-history Historia Regum Britanniae

Historia Regum Britanniae

The Historia Regum Britanniae is a pseudohistorical account of British history, written c. 1136 by Geoffrey of Monmouth. It chronicles the lives of the kings of the Britons in a chronological narrative spanning a time of two thousand years, beginning with the Trojans founding the British nation...

, and therefore the source of Cordelia in William Shakespeare

William Shakespeare

William Shakespeare was an English poet and playwright, widely regarded as the greatest writer in the English language and the world's pre-eminent dramatist. He is often called England's national poet and the "Bard of Avon"...

's play King Lear

King Lear

King Lear is a tragedy by William Shakespeare. The title character descends into madness after foolishly disposing of his estate between two of his three daughters based on their flattery, bringing tragic consequences for all. The play is based on the legend of Leir of Britain, a mythological...

, but there are notable differences in the legends and the Welsh versions of Geoffrey's Historia use the name Cordelia, not Creiddylad.