Maredudd ap Madog ap Hywel ap Gruffudd Maelor - 1240 Parents Isota Madog ap Gruffydd Maelor Children Angharad ferch Maredudd ap Madog ap Hywel Siblings Hywel ap Madog ap Gruffudd Maelor Gruffydd II ap Madog, Lord of Dinas Bran Madog Fychan