John I Doukas of Thessaly
Ruler
John I Doukas, Latinized as Ducas, was an illegitimate son of Michael II Komnenos Doukas, Despot of Epirus in c. 1230–1268. After his father's death, he became ruler of Thessaly from c. 1268 to his own death in 1289. From his father's family he is... Wikipedia
Born: 1240
Died: 1289 (age 49 years), Constantinople
Children: Constantine Doukas of Thessaly, Theodore Angelos, and Stephen Gabrielopoulos
Great-grandparent: John Doukas
Great grandchildren: Stefan Dušan, Simeon Uroš, Teodora-Evdokija, and more
Grandchildren: John II Doukas of Thessaly, Guy II de la Roche, Stefan Uroš III, and more
Grandparents: Michael I Komnenos Doukas and John Petraliphas