Gladys (CLAUDIA) (BEF. 100 - )
Cluim (CLEMENS) ( - )
Clodius (CLOGIO) ( - BEF. 100)
Corbred II (COIRBRE-CRUNGEN) ( - )
Corbred I (COIRBRE-FINDMOR) ( - )
Cairbre Liffeachaire (COIRPRE) ( - )
Coel I of Camulod (COLCHESTER) ( - 170)
King Coel II of Camulod (COLCHESTER) ( - 262)
Colum (COLMAN) ( - )
Alpais (CONCUBINE) ( - )
Corath (CORACH\CYNDWR) ( - )
William Fitz Patric (CORBET) ( - 1253)
Corwyn (CORUN) ( - )
Cypros (COUSIN) ( - )
Criomthann Niadhnar (CRIMTHANN) ( - )
Edmund (CROUCHBACK) (16 Jan 1244/45 - 5 Jun 1296)
Conan Meriadoc (CYNAN) ( - 421)
Saint Gwynllyw (CYNLLO) ( - )
Dein (DEM) ( - )
Saint David (DEWI) ( - )
Duach Laighrach (DUACH-LOGRAICH) ( - )
Ceretic Guletic of Strathclyde Alt Clud (DUMBART (450 - )