Iorweth(Iorworth) ap Owain
Iorweth(Iorworth) ap Owain was born in 1124 in Dolwyddelan,Nanconwy,Wales.  He died at the age of 60 in 1184 in Aberffraw Castle,Angelsey,Wales.

 Margred verch Madog
Margred verch Madog was born in 1125 in Aberffraw,Angelsey,Wales.

 Prince of Wales Llywelyn ap Iorweth (The Great)
Llywelyn ap Iorweth, known as The Great, was born in 1173 in Aberffraw Castle,Angelsey,Caernarvonshire,Wales.  He died  due to stroke at the age of 67 on April 11th, 1240 in Aberconwy,Arllechwedd Isaf,Caernarvonshire,Wales.  He was buried in Aberconwy Abbey,Wales.