lorwerth ap Owain
lorwerth was born in 1145 in Aberffraw Castle, Aberffraw, Wales.  He died at the age of 39 in 1184.

 Margred verch Madog
Margred was born about 1145 in Montgomeryshire, Wales.

 Llewelyn ap Iorwerth
Llewelyn was born in Aberffraw Castle, Caernarvonshire, Wales.  He died on April 11th, 1240 in Aberconwy, Wales.