Owain Gwynedd King of Gwynedd (1100–1170) Parents Angharad ferch Owain Gruffudd ap Cynan Children Maelgwn ab Owain Gwynedd Angharad ferch Owain Gwynedd Dafydd ab Owain Gwynedd Iorwerth Drwyndwn Gwenllian ferch Owain Gwynedd Rhun ab Owain Gwynedd Hywel ab Owain Gwynedd Cynan ab Owain Gwynedd Iefan ab Owain Gwynedd Rhodri ab Owain Gwynedd Madog ab Owain Gwynedd Siblings Gwenllian ferch Gruffydd Cadwaladr ap Gruffudd Susanna ferch Gruffudd Margred ferch Gruffudd ap Cynan Rhanullt ferch Gruffudd ap Cynan Cadwallon ap Gruffydd Gwenllian ferch Gruffudd ap Cynan Merinedd ferch Gruffudd ap Cynan Yslani ferch Gruffudd ap Cynan, aka Elen or Alswn Partners Gwladus ferch Llywarch ap Trahaearn