C:
| Cadovius, Matthias |
| Cadovius-Müller, Johannes |
| Camp (del Campo), Willem Pieter (Guilelmus Petrus) |
| Camphuysen, Dirck Raphaelsz |
| Canter, Jacob |
| Capellen, Godert Alexander Gerard Filip Baron van der |
| Carl Edzard [Fürst] |
| Cöler (Coeler) [Fam.] |
| Cöper, Gerhard |
| Cellarius, Hermann |
| Charig, Julius |
| Christian Eberhard |
| Christine Charlotte |
| Christophers, Ewald |
| Cirksena [Dyn.] |
| Cirksena [Häuptlingsfam.] |
| Clausen, Ernst Alexander (Pseud. Claus Zehren) |
| Closter, von [Fam.] |
| Cluto (Cluton), Johannes (Jan) |
| Coldewey, Ehrenreich Gerhard |
| Coldewey, Levin |
| Colmar–Meyenburg, Axel Karl Hermann von |
| Colomb, Peter von |
| Coners, Gerhard Julius |
| Conflans, Louis Gabriel Marquis de |
| Conradi (Conradt, Conradz, Conners), Cornelius |
| Conring [Fam.] |
| Conring, Christian Bernhard |
| Conring, Hajo |
| Conring, Hermann |
| Conring, Hermann Johannes |
| Cooltuyn, Cornelis |
| Cornicius, Jacobus |
| Courbiére, Wilhelm Ren Baron de l'Homme de |
| Cramer, Alle Meenderts |
| Cramer, Lüppo Henricus |
| Cramer, Samuel |
| Cramer, Tjarko Meyer (Lukas) |
| Cremer, Ufke |
| Crumminga, Geldericus |
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