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.

 Princess of England Joan Plantagenet
Joan was born on July 22nd, 1201 in London,Middlesex,England.

 Davydd ap Llywelyn
Davydd ap Llywelyn was born about 1220.

 Angharad verch Llywelyn
She died in 1257.