TM
Tewdwr Mawr ap Cadell
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Tewdwr Mawr ap Cadell was of the ruling house of Deheubarth and the father of Rhys ap Tewdwr, the last independent king of that country.
Research notes
✓ DOCUMENTED (web-confirmed 25 Jul 2026): TEWDWR MAWR AP CADELL of the Dinefwr line of Deheubarth (fl. mid-11th c.); father of Rhys ap Tewdwr (our line), King of Deheubarth. Direct ancestor. Added 25 Jul 2026.