Susanna ferch Gruffudd Peerage person ID=404934 Parents Angharad ferch Owain Gruffudd ap Cynan Children Owain Fychan ap Madog ap Maredudd ap Bleddyn, lord of Mechain Is y Coed Efa ferch Madog ap Maredudd ap Bleddyn Gwenllian ferch Madog ap Maredudd ap Bleddyn Gruffydd Maelor I Owain Fychan Llywelyn ap Madog Efa ferch Madog Marared ferch Madog Siblings Gwenllian ferch Gruffydd Owain Gwynedd Cadwaladr ap 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 Madog ap Maredudd