Gruffudd ap Madog

Gallai Gruffudd ap Madog gyfeirio at:

Gruffudd ap Madog ap Maredudd neu Gruffudd Maelor I, tywysog Powys Fadog
Gruffudd ap Madog ap Gruffudd neu Gruffudd Maelor II, ŵyr Gruffudd Maelor I