Constantine VII Porphyrogenitus (Medieval Greek: Κωνσταντῖνος Πορφυρογέννητος, Kōnstantinos Porphyrogennētos; 17 May 905 – 9 November 959) was the fourth Byzantine emperor of the Macedonian dynasty, reigning from 6 June 913 to 9 November 959. He was the son of Emperor Leo VI and his fourth wife, Zoe Karbonopsina, and the nephew of his predecessor Alexander.
