Elen verch Tewdwr

Elen verch was born in 1058 in Dynevor Castle, Llandilo, Carmarthenshire, Wales.  Elen verch's father was Tewdwr "Mawr-The Great" ap Cadell , King S. Wales and her mother was Gwenllian verch Gwyn. She had a brother named Rhydderch ap.  She was the younger of the two children. She had a half-brother named Rhys ap.

They had a son named Gwgon ap.