Maredudd ap Llywelyn Ddû ap Gruffudd of Maelor Saesneg Parents Margred ferch Madog Fychan ap Madog ap Rhirid Llewelyn 'Ddu' ap Gruffudd Children Siblings Annes ferch Llywelyn Ddu ap Gruffudd ab Iorwerth Foel Margred ferch Llywelyn Ddû ap Gruffudd ab Iorwerth Foel Angharad ferch Llywelyn