Clement VII (Anti-Pope), [273]

Colonna, Count of, [299]

Colonna, family of, [147] et sq.

Conradin of Hohenstaufen, [242]

Consalvi, Cardinal, [86]

Constans II, [56]

Constantine the Great, [13]

Constantinople, Empress of, See Catherine of Taranto

Crawford, Marion, [154], [169], [331]

Cyrilla, [19], [20], [22-3]