Gwenllian ferch Gruffudd ab Ednyfed Fychan Peerage person ID=659667 (1235–1314) Parents Grufudd ab Ednyfed Fychan Children Gruffudd ap Hywel Siblings Hywel Sir Rhys ap Gruffudd ab Ednyfed Fychan Lleucu ferch Gruffudd ab Ednyfed Fychan Elen ferch Gruffudd Catrin ferch Gruffudd ab Ednyfed Fychan Partners Hywel ap Maredudd ab Einion