Athrwys Ap Meurig
Athrwys Ap was born about 0570.

 Cenedlen Verch Briafael Frydi
Cenedlen Verch Briafael was born about 0575.  Cenedlen Verch Briafael is no longer alive.

 Morgan Ap Athrwys
Morgan Ap was born about 0600.

 Ithel Ap Athrwys
Ithel Ap was born about 0602.