Owain ap Bleddyn
Owain was born about 1180 in Llangollen, Denbighshire, , Wales.  He died in 1200.

 Efa ferch Madog
Efa was born about 1198 in Montgomeryshire, , Wales.

 Iorwerth Gam ap Owain
Iorwerth Gam was born in 1215 in Llangollen, Denbighshire, , Wales.  He died at the age of 21 in 1236.