Home › Authors › John III, Ducas Vatatzes, Emperor of Nicea 👤 John III, Ducas Vatatzes, Emperor of Nicea b. 1193 – d. 1254 · 1 book Books by John III, Ducas Vatatzes, Emperor of Nicea Asmatikē akolouthia tou hagiou Asmatikē akolouthia tou hagiou Vasileōs Iōannou tou Vatatsē tou Eleēmonos tou en Magnēsia ... 1872