Cadwgan ap Bleddyn was a prince of the Kingdom of Powys in north eastern Wales. He was the second son of Bleddyn ap Cynfyn who was king of both Kingdom of Powys and Gwynedd.
Pembroke Castle, attacked by Prince Cadwgan
South view of Montgomery Castle, was captured by Cadwgan and his brothers
Effigy of Meurig ap Ynyr Fychan, of the Nannau branch
Nest ferch Rhys was the daughter of Rhys ap Tewdwr, last King of Deheubarth in Wales, by his wife, Gwladys ferch Rhiwallon ap Cynfyn of Powys. Her family is of the House of Dinefwr. Nest was the wife
Cadwgan ap Bleddyn
…Norman hands. That same year he escaped the ruin of the Earl, and returned to his own lands. In 1109, Cadwgan's son Owain ap Cadwgan fell in love with Nest, wife of Gerald of Pembroke and launched a daring raid on the castle of Cenarth Bychan to abduct her. Cadwgan tried to persuade his son to return Nest…
Nest's ancestor Hywel Dda, King of Wales, grandson of Rhodri Mawr
Cilgerran Castle, the possible site of Nest's abduction