(Μανουὴλ Βρυέννιος), a Greek writer on music, is probably identical with one Manuel Bryennius, the contemporary of the emperor Andronicus I., who reigned from 1282 till 1328.
[W.P]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890