Iorwerth Ap Owain
Iorwerth Ap was born in 1145 in Aberffraw Castle, Aberffraw, Anglsy, Wales.  He died about 1184.

 Margred Verch MADOG
Margred Verch was born about 1129 in Montgomeryshire, Wales.

 Llewelyn Ap Iorwerth
Llewelyn Ap was born in 1173 in Aberffraw Castle, Caernarvonshire, Wales.  He died at the age of 67 on April 11th, 1240 in Aberconwy, Arllechwedd Isaf, Caernarvonshire, Wales.