Margred ferch Madog Fychan ap Madog ap Rhirid

Children

• Margred ferch Llywelyn Ddû ap Gruffudd ab Iorwerth Foel
• Maredudd ap Llywelyn Ddû ap Gruffudd of Maelor Saesneg
• Annes ferch Llywelyn Ddu ap Gruffudd ab Iorwerth Foel
• Angharad ferch Llywelyn