Erddylad ferch Gruffudd Peerage person ID=659681 Parents Myfanwy ferch Llywelyn ab Owain Hên ap Gruffudd Gruffudd ap Hywel Coetmor Children Madog ap Hywel ap Madog Gwerfull ferch Hywel Myfanwy ferch Hywel ap Madog Gruffudd ap Hywel Siblings Lleuci ferch Gruffudd ap Hywel Coetmor ap Gruffudd Fychan Nest ferch Gruffudd ap Hywel Coetmor Partners Hywel ap Madog