Lleuver Mawr Ap Coel Of Siluria
Lleuver Mawr was born in 0149.  He died at the age of 32 in 0181.

 Gwladys (The Elder) De Siluria
Gwladys, known as The Elder, was born in 0150.  Gwladys, known as The Elder, is no longer alive.

 Gwladys (The Younger) Ap Lleuver Of Siluria
Gwladys, known as The Younger, was born in 0164.

 Cadwalldr Ap Lleuver Of Siluria
Cadwalldr was born about 0179.