Owain I GWYNEDD was born about 1100 in Caernarvonshire, Wales; died in 1170 in Caernarvonshire, Wales; was buried in Bangor Cathedral, Is Gwyfai, Caenarvonshire, Wales.
12. Llewelyn Ap IORWERTH was born in 1173 in Aberffraw Castle, Caenarvonshire, Wales; died on 11 Apr 1240 in Aberconwy, Aarllechwedd Isaf, Caenarvonshire,Wales.