Gruffudd ap Madoc

ap Gruffudd Maelor ap Madog ap Maredudd ap Bleddyn Side

• ap Gruffudd Maelor ap Madog ap Maredudd ap Bleddyn, Madog - 1236

• ap Madog, Gryffydd "Maelor" Prince of Northern Powys - 1191
• ferch Owain, Angharad

• ap Maredudd, Madog Prince of Powys Fadog - 1160
• ferch Gruffydd ap Cynan, Susanna
• Gwynedd, Owain King of Gwynedd - 1169
• ferch Gronwy ab Owain ab Edwin, Cristin

ferch Ithel ap Rhys ab Ifor ap Hywel ap Morgan Fychan ap Morgan Hir Side

• ferch Ithel ap Rhys ab Ifor ap Hywel ap Morgan Fychan ap Morgan Hir, Gwladus

• ap Rhys, Ithel