In the period 867 to 1025 Byzantine chronicles continued to be written. Herein we have to place the work of Joseph Genesios, scion of a noble Constantinople family and related to the family of Constantine VII Porphyrogennetos. The latter asked Genesios to write the history of the 9th century Byzantine emperors up to the foundation of the Macedonian dynasty by Basil I. Gensios complied. His work, however, resembles a chronicle rather than a historical work: the sources he mentions include information provided by elderly people and heresay, while his historical narration abounds with prophecies, visions, auspices and fantastical descriptions. Another chronicle, covering the centuries from the Creation up to 948, is known under the name Symeon Logothete and Magistros. This, however, presents a problem: there are many manuscripts of this text, each with name of a different writer. The author therefore cannot be established. One last important chronicles of the 10th century is the collection of six historical chapters entitled Scriptores post Theophanem or Theophanes Continuatus. This is written by order of the Emperor Constantine VII Porphyrogennetos and, as their title shows, continued the chronicles of Theophanes covering the period 813-961. Four of them were written under the supervision of the Emperor himself, and the fifth (the biography of Constantine' grandfather, Basil I, the Historical narration of the life and deeds of Basil, the ever-memorable King, usually known by the title Vita Basilii, was actually written by the Emperor. The sixth was written partly by an anonymous writer and partly by the eparch Theodore Daphnopates. This chronicle (or at least the first five chapters) was based on the material of Constantine's historic library, and so the result yields much interesting information. It was written with the general public in mind and in particular to promote the Macedonian dynasty. It should therefore be interpreted with caution.