Ceindrych ferch Rhiwallon was the

queen regnant A queen regnant (: queens regnant) is a female monarch, equivalent in rank, title and position to a king. She reigns ''suo jure'' (in her own right) over a realm known as a kingdom; as opposed to a queen consort, who is married to a reigning ...

Brycheiniog Brycheiniog was an independent kingdom in South Wales in the Early Middle Ages. It often acted as a buffer state between England to the east and the south Welsh kingdom of Deheubarth to the west. It was conquered and pacified by the Normans ...

in Southern

Wales Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...

in the 7th century, c. 650–670. She was the daughter of Rhiwallon ap Idwallon, king of Brycheiniog. She first married her cousin prince Elisedd ap Ysgorda in an attempt to keep the dynasty in the family, but the marriage was a short one. She remarried her more distant relative, king

Cloten of Dyfed and Brycheiniog Cloten was the king of Dyfed and Brycheiniog in Southern Wales Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wal ...

c. 650. The marriage briefly united the two kingdoms under their son; they would be divided again after his son's reign. In this time period, many of the rulers of the Welsh petty kingdoms are not confirmed as historic. Queen Ceindrych is however documented until at least so far back as the 11th-century and are believed to have been historic.

References

Year of birth missing Year of death missing Monarchs of Brycheiniog 7th-century Welsh monarchs 7th-century queens regnant {{Wales-hist-stub