Cynan ap Iago
Cynan was born in 1014 in Aberffro, Wales.

 Rhanullt O'Olaf
Rhanullt was born in 1031 in Dublin, Ireland.

 Gruffydd ap Cynan
Gruffydd was born in 1055 in Caernarvonshire, Wales.  He died at the age of 82 in 1137 in Wales.