Name
- Roberts, Rhydderch1
- Robin Ddu, of Add MS 148661
- Salisbury, William, of Add MS 149291
- Samuel, Edward1
- Saunders, R-1
- Sion Mawddwy1
- Sion Phylip1
- Sion Rogier1
- Sion Tudyr1
- Thomas Anwyl1
- Thomas Glyn Llifon1
- Thomas, Robert, of St. Bride's1
- Trevor, David, of Add MS 148661
- Tudyr Aled1
- Twm Tegid1
- University of Oxford1
- Vaughan, Rowland1
- William Lleyn1
- William ab Hywel ab Thomas1
- Williams, Rowland1