Trahaearn ap Madog
Trahaearn was born about 1250 in Llyn, Caernarvonshire, Wales.  He died after 1273 in Tower Of London, London, Middlesex, England.

 Elen verch Philip
Elen was born about 1250 in Wales.

 Ieuan ap Trahaearn
Ieuan was born about 1272.