Name
- Ales verch Gruffyd ap Jevan1
- Aneurin, Gwawdrydd1
- Bedo2
- Bedo Brwynllys5
- Bedo Havesb1
- Bedo Phylip Bach1
- Bedo, Aeddren5
- Bleddyn, the Bard3
- Brereton, Owain1
- Bromfild, Matthew3
- Byrchinsha, William1
- Cadwaladyr Cesail1
- Cadwaladyr ab Gruffydd1
- Cadwaladyr ab Rhys Trevnant2
- Caswallon Law Hir, King of North Wales1
- Catrin, wife of Gruffyd ab Hywel1
- Charles, Edward, of Add MS 149571
- Clement, Person Corwen1
- Cymmrodorion Society1
- Cynddelw1