Name
- Rhisiart Cynwal1
- Rhys Goch Eryri1
- Rhys o Garno, alias Rhys o Drwen1
- Robert Leiaf1
- Robert Wyn ab Ifan1
- Robert ab Davydd Llwyd1
- Robert ab Huw1
- Robin Ddu, of Add MS 148661
- Simwnt Vychan1
- Sion Ceri1
- Sion Phylip1
- Sion Rogier1
- Theodere, Richard Owen1
- Thomas, Morys1
- Thomas, Richard, of Add MS 148841
- Trevor, David, of Add MS 148661
- William Matthew1
- William ab Rees1
- William ab W-1