King Owain ap Hywel of Glywysing
Owain was born about 0845.  He died about 0930.

 Nest ferch Rhodri
Nest was born about 0850.

 King Morgan Hen Mawr ("the Old") ap Owain of Morgannwg
Morgan Hen Mawr, known as "the Old", was born about 0866.  He died in 0974.