（*)Andro/nikos *Kamathro/s), a relative of the emperor Manuel Comnenus (A. D. 1143 to 1180), who honoured him with the title of Sebastus, and promoted him to the offices of praefect of the city and praefect of the bi/gla, i. e. praefectus vigilum, or praefect of the imperial guards. Camaterus is said to have been a man of great intellect and a powerful speaker.
He is the author of several theologico-polemical works, an extract from one of which is all that has appeared in print. Among them we may mention one entitled *)Antirrhtika/, a dialogue against the Latins.
A portion of this work which relates to the Processio Spiritus Sancti, was subsequently refuted by J. Veccus, and both the original and the refutation are printed in L. Allatius' Graecia Orthodox. ii. p. 287, &c.
Other works in MS
His other works are still extant in MS.
Father of Joannes Ducas
Andronicus Camaterus was the father of Joannes Ducas, to whom Eust
（*)Iwa/nnhs *Ki/nnamos), also called CI'NAMUS (*Ki/namos), and SI'NNAMUS (*Si/nnamos), one of the most distinguished Byzantine historians, and the best European historian of his time, lived in the twelfth century of the Christian aera.
He was one of the "Grammatici" or " Notarii" of the emperor Manuel Comnenus, who reigned from A. D. 1143 till 1180.
The functions of the imperial notaries, the first of whom was the proto-notarius, were nearly those of private secretaries appointed for both private and state affairs, and they had a considerable influence upon the administration of the empire. Cinnamus was attached to the person of Manuel at a youthful age, and probably as early as the year of his accession, and he accompanied that great emperor in his numerous wars in Asia as well as in Europe.
Epitome rerum ab Joanne et Alexio Comnenis gestarum
Favoured by such circumstances, he undertook to write the history of the reign of Manuel, and that of his predece