Name
- Rhys o Garno, alias Rhys o Drwen1
- Robert Leiaf1
- Robert ab Gruffydd ab Jevan1
- Robert ab Hywel ab Morgan1
- Roberts, Rhydderch1
- Roberts, Richard, of Add MS 148761
- Roger, Offeiriad1
- Rowland, William1
- Sion Caerau Hên1
- Sion Ceri1
- Sion Clywedog1
- Sion Rogier1
- Sion Salbri1
- Sion Tomas Owain1
- Sion ab Hywel1
- Sion ab Rhobert ab Rhys ab Hywel1
- Thomas Derllys1
- Thomas Glyn Llifon1
- Trevor, John, of Add MS 148911
- Twm Tegid1