children: Georgo, a daughter Theophylact, crowned co-emperor on Christmas 811, became a monk after 813. Niketas, later Patriarch Ignatios of Constantinople ( 798 – 877) Staurakios, crowned co-emperor on Christmas 811, pre-deceased his father Theophano, a daughter Gallery References Sources . Further reading Gregory, T. (2005). A History of Byzantium (Blackwell History of the Ancient World), Wiley-Blackwell . See also List of Byzantine emperors External links 9th-century Byzantine emperors Nikephorian dynasty Byzantine people of the Byzantine–Bulgarian Wars Eastern Orthodox monks Year of birth unknown 844 deaths 810s in the Byzantine Empire Kouropalatai Rangabe family Usurpers