Name
- Adda Frâs1
- Aneurin, Gwawdrydd4
- Bedo Brwynllys2
- Bedo Phylip Bach1
- Bedo, Aeddren1
- Bergam O Faelor1
- Bishops of Bangor1
- Bleddyn Du1
- Bleddyn was y Cwd1
- Bleddyn, the Bard3
- Brawd Fadawg ab Gwalter1
- Cadwaladyr Cesail1
- Cadwaladyr Davydd1
- Cadwaladyr ab Gruffydd1
- Cadwgan Gock1
- Caradog, of Llancarfan, Welsh chronicler1
- Casnodyn2
- Catrin, wife of Gruffyd ab Hywel1
- Clement, Person Corwen1
- Collen, Saint1