Henwyn Cambria
Henwyn was born in 880 BC.  Henwyn is no longer alive.

 Regan (Rhagaw) Ferch Llyr
Regan (Rhagaw) was born in 0870.  Regan (Rhagaw) is no longer alive.

 Cunneda of Cambria King of Britons
Cunneda of Cambria King of was born in 0850.  He died in 772 BC in Abt. 772 B.C..

 Marganus, King of Britain
Marganus, King of was born in 0852.  He died at the age of 45 in 0807.