The 5th Century Saint Cadoc, or Cadog, was a Welsh

Welsh

-Wales:* Wales, a country in the United Kingdom* Welsh language* Welsh people* Culture of Wales* Welsh cuisine-See also:*Walha*Welch *Walsh *Welshy...

 saint. He is remembered as a son of Brychan

Brychan

Brychan Brycheiniog was a legendary 5th-century king of Brycheiniog in South Wales.-Life:Celtic hagiography tells us that Brychan was born in Ireland, the son of a Prince Anlach, son of Coronac, and his wife, Marchel, heiress of the Welsh kingdom of Garthmadrun , which the couple later inherited...

 and a founder of churches - notably Llanspyddyd, Brecknockshire

Brecknockshire

Brecknockshire , also known as the County of Brecknock, Breconshire, or the County of Brecon is one of thirteen historic counties of Wales, and a former administrative county.-Geography:...

 and Llangadog Fawr, Carmarthenshire

Carmarthenshire

Carmarthenshire is a unitary authority in the south west of Wales and one of thirteen historic counties. It is the 3rd largest in Wales. Its three largest towns are Llanelli, Carmarthen and Ammanford...

. Also, there was formerly a chapel in the parish of Kidwelly

Kidwelly

Kidwelly is a town in Carmarthenshire, west Wales, approximately north-west of the main town of Llanelli.It lies on the River Gwendraeth Fach above Carmarthen Bay. The town is twinned with French village St Jacut de la Mer.-History:...

 dedicated to Cadoc.

According to Cressy, this Cadoc died AD 490, is buried in France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

, and is commemorated in the Calendar on January 24.