| , Chlodeswinthe Verica of Cologne | | B. ABT 418 | | D. 458 |
| , Chlodomer King of the Franks at Orleans | | B. 495 | | D. 21 JUN 524 |
| , Chlodulf Bischof von Metz | | B. ABT 611 | | D. 8 MAY 697 |
| , Christina Abbess of Romsey | | B. ABT 1040 | | D. 1093 |
| , Chrothildis de Heristal | | B. 650 | | D. 3 JUL 699 |
| , Chunsina | | | | |
| , Cinhil-Quintillus ap Cluim of Strathclyde | | B. ABT 370 | | |
| , Clarice of Scotland | | B. ABT 1115 | | |
| , Claudia | | | | |
| , Claudia Capitolina of Rome | | B. ABT 166 | | |
| , Cleopatra the Elder, Princess of Pontus | | B. ABT 120 BC | | D. AFT 58 BC |
| , Clodius IV King of Eastern Franks | | B. ABT 265 | | D. 319 |
| , Clodius IV Duke of the East Franks | | B. ABT 325 | | D. 389 |
| , Clodomir IV King Of The West Franks | | B. ABT 271 | | D. 337 |
| , Cloth Fionn of Tara | | B. ABT 70 BC | | |
| , Clothra ferch Eochaid Feidlech of Ireland | | B. ABT 65 BC | | |
| , Cluim Clemens ap Cursalen of Strathclyde | | B. ABT 332 | | D. DEAD |
| , Cocceia | | B. ABT 35 | | |
| , Coecilia | | B. 150 BC | | |
| , Coel II Godhebog, King of Colchester | | B. 202 | | D. 262 |
| , Colius ap Marius of Bretagne | | B. 66 | | D. 150 |
| , Colius Marius | | B. 80 | | D. 170 |
| , Conail I, King of Alba | | B. 533 | | D. 574 |
| , Conan Meriodoc King of the Vannetais | | B. ABT 320 | | D. ABT 387 |
| , Concubine | | B. ABT 155 BC | | |
| , Conon | | | | |
| , Consort Havarsson | | B. ABT 351 | | |
| , Constantina | | B. 270 | | |
| , Constantine I "the Great" Emperor Of Roman Empire | | | | D. 22 MAY 337 |
| , Constantius Gallus Caesar of the Roman Empire | | B. 325 | | D. 354 |