King Tewdr ap Rhain of Dyfed & Brycheiniog
Tewdr was born in Dyfed, Wales.

 Nowy Hen ap Tewdr
Nowy Hen was born about 0730 in Brycheiniog, Wales.

 King Maredudd ap Tewdws of Dyfed
Maredudd was born in Dyfed, Wales.  He died in 0796 in Dyfed, Wales.