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Madog ap Gruffydd Maelor
Welsh Prince of Powys Fadog / From Wikipedia, the free encyclopedia
Madog ap Gruffudd, or Madog ap Gruffudd Maelor, was a Prince of Powys Fadog[1] from 1191 to 1236 in north-east Wales, and Lord of Powys.[2] He was the founder of Valle Crucis Abbey in the Lordship of Yale.
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