Hywel - 1282 (1235–1282) Parents Grufudd ab Ednyfed Fychan Children Siblings Sir Rhys ap Gruffudd ab Ednyfed Fychan Lleucu ferch Gruffudd ab Ednyfed Fychan Elen ferch Gruffudd Gwenllian ferch Gruffudd ab Ednyfed Fychan Catrin ferch Gruffudd ab Ednyfed Fychan