in Khazar territories, created the Cherson, Paphlagonia and Chaldia themes, and built a hospital, which continued to exist until the twilight of the Byzantine Empire. Family By his marriage with Theodora, Theophilos had seven children: Constantine, co-emperor from c. 833 to c. 835. Thekla (c. 831after 867). She was named Augusta and her image appears in coinage during the regency of her mother. Later exiled to a monastery by her brother Michael. Anna (born c. 832). Exiled into the monastery of Gastria. Never recalled. Anastasia (born c. 833). Exiled into the monastery of Gastria. Never recalled. Pulcheria (born c. 836). Exiled into the monastery of Gastria. Never recalled. Maria (c. 838c. 842). Betrothed the Caesar Alexios Mosele. Died at the age of four. Michael III (19 January 84024 September 867), who succeeded as emperor. See also List of Byzantine emperors Notes References John Bagot Glubb The Empire of the Arabs, Hodder and Stoughton, London, 1963 External links 9th-century Byzantine emperors Phrygian dynasty Byzantine people of the Arab–Byzantine wars 9th-century births 842 deaths Byzantine Iconoclasm 820s in the Byzantine Empire 830s in the Byzantine Empire 840s in the Byzantine Empire Sons of Byzantine emperors