Merfyn Ap Gwriad

 Essylt Verch Conan
Essylt was born about 0770.

 Rhodri Mawr Ap Merfyn King
Rhodri Mawr was born in 0789 in Caer Seiont, , Caernarvon, Wales.  He died at the age of 89 in 0878 in Anglesey, , Anglesey, Wales.  He was buried in 0878 in , , , Wales.