Madog ap Ieuan Peerage person ID=659650 Parents Gwenhwyfar ferch Einion Ieuan ab Einion ap Gruffudd of Bron-y-Foel Children Gwenhwyfar ferch Madog ab Ieuan of Pennarth Hywel ap Madog Siblings Rhys ab Ieuan ab Einion ap Gruffudd Gwerful ferch Ieuan ab Einion ap Gruffudd Margred ferch Ieuan ab Einion ap Gruffudd Hywel Fychan ab Ieuan ab Einion ap Gruffudd of Bron-y-Foel Gronwy ab Ieuan ab Einion ap Gruffudd of Gwynfryn Elen ferch Ieuan ab Einion ap Gruffudd ap Llywelyn Partners Gwerful ferch Rhys