Cadell, Cadfan, Cadwaladr, Cadwalladr, Cadwallon, Calahorra, Campbell, Canterberry, Cantilupe, Capet, Carcassone, Carinthia, Carlat, Carter, Castellan, Castile, Chalons, Champagne, Chartres, Chateaudun, Chatellerault, Chaunois, Chaworth, Cheek, Chislington, Clark, Clermont, Clermont-en-Beauvaisis, Coel, Cogan, Coggan, Cole, Cologne, Conwyn, Cooley, Corbet, Corbuceo, Cordle, Corvina, Cotton, Courtenay, Courtney, Crepi, Cunedda, Cynan, Cyrus