Anastasius Bibliothecarius was a nephew of Bishop Arsenius of Orte, who executed important commissions as Papal legate.
11 Facts About Anastasius Bibliothecarius
Anastasius Bibliothecarius was employed by the pope in various matters.
Anastasius Bibliothecarius was active as an author, and translated Greek language works into Latin.
However, they had given most of the declarations of obedience of the Greek bishops to Anastasius Bibliothecarius, who had a copy of the "Acts", and was thus able to bring these documents to the pope.
The successor of Adrian II, Pope John VIII, esteemed Anastasius Bibliothecarius, confirmed him in the office of librarian, entrusted important affairs to him, and encouraged him to further literary work.
Anastasius Bibliothecarius was in correspondence with the deposed Byzantine patriarch, Photius, and sought to mediate between the patriarch and the pope and to assuage the controversy over the Holy Ghost by assuming that the Latins understood the processio of the Holy Ghost from the Son in the sense of missio.
Eleutherius was executed and Anastasius Bibliothecarius, who was regarded as the instigator of the murder, was punished by excommunication and deposition.
Anastasius Bibliothecarius lived at the Imperial court and sought by the intervention of the Emperor to exculpate himself before the Pope.
Joseph Hergenrother maintains that the bibliothecarius and the presbyter Anastasius were one and the same person, and weaves all the statements concerning the latter into the biography of Anastasius, while Joseph Langen considers them different persons.
Anastasius Bibliothecarius translated from Greek into Latin the "Acts" of both the Second Council of Nicaea and the Fourth Council of Constantinople, as well as several hagiographies of saints, along with other writings.
Anastasius Bibliothecarius compiled a historical work, "Chronographia tripartita", from the Greek writings of Theophanes, Nicephorus, and George Syncellus, and made a collection of documents concerning the affairs of Pope Honorius I Several important letters written by him have been preserved.