Gwenllian ferch Gruffudd ap Cynan Abt 1080 - Parents NN Gruffudd ap Cynan Children Owain ap Cadwgan ap Bleddyn ap Cynfyn Madog ap Cadwgan ap Bleddyn ap Cynfyn Siblings Gwenllian ferch Gruffydd Cadwallon ap Gruffydd Merinedd ferch Gruffudd ap Cynan Rhanullt ferch Gruffudd ap Cynan Margred ferch Gruffudd ap Cynan Susanna ferch Gruffudd Cadwaladr ap Gruffudd Owain Gwynedd Yslani ferch Gruffudd ap Cynan, aka Elen or Alswn