John III Doukas Vatatzes
Emperor of Nicaea
John III Doukas Vatatzes, Latinized as Ducas Vatatzes, was Emperor of Nicaea from 1221 to 1254. He was succeeded by his son, known as Theodore II Laskaris. Wikipedia
Born: 1193, Didymoteicho, Greece
Died: November 3, 1254 (age 61 years), Nymfaio, Greece
Spouse: Anna of Hohenstaufen (m. 1244–1254) and Irene Laskarina (m. 1212)
Great grandchildren: Vataça Lascaris, Lucrezia Lascaris di Ventimiglia, and Jean I Lascaris, Comte de Vintimille et de Tende
Grandchildren: John IV Laskaris, Irene Doukaina Laskarina, María Láscaris, and more
Deposed date: 1254
Grandparent: Isaac Angelos