Gwenllian ferch Gruffydd 12th-century princess consort of Deheubarth in Wales (1097–1136) Parents Angharad ferch Owain Gruffudd ap Cynan Children Rhys ap Gruffydd NN ap Gruffudd ap Rhys ap Tewdwr Maredudd ap Gruffydd Gwladus ferch Gruffudd Owain ap Gruffudd ap Rhys ap Tewdwr Maredudd ap Gruffudd ap Rhys ap Tewdwr Mawr Rhys Fychan ap Gruffudd ap Rhys ap Tewdwr Nest Siblings Owain Gwynedd 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 Gruffydd ap Rhys Cadwgan ap Bleddyn