Llewelyn Fawr
Llewelyn was born in 1173 in Dolyddelan.  He died at the age of 67 in 1240 in Caernarvon, Wales.

 Joan Plantagenet
Joan was born on July 22nd, 1210 in London, Middlesex, England.  She died in Aberconwy, Arllechwedd Isaf, Caernarvonshire, Wales.  She was buried in Llan-Faes, Dindaethwy, Anglesey, Wales.

 Gladys Ap Llewelyn
Gladys Ap was born about 1205 in Caernarvonshire, Wales, England.  She died about 1251 in Windsor, Berkshire, England.