Gwerful ferch Rhys Peerage person ID=595488 Parents Efa ferch Gruffudd Goch ab Adda ap Madog Rhys ap Tudur Children Gwenhwyfar ferch Madog ab Ieuan of Pennarth Hywel ap Madog Siblings Mallt ferch Rhys ap Tudur ap Gronwy ap Tudur Partners Madog ap Ieuan