Theodore I Laskaris or Lascaris was the first emperor of Nicaea—a successor state of the Byzantine Empire—from 1205 to his death. Although he was born to an obscure aristocratic family, his mother was related to the imperial Komnenos clan. He... Wikipedia
Born: 1174, Constantinople
Died: November 1221 (age 47 years), İznik, Türkiye
Spouse: Maria of Courtenay (m. 1219), Philippa of Armenia (m. 1214), and Anna Komnene Angelina (m. 1199)
Grandchildren: Theodore II Laskaris, Margaret of Hungary, Kinga of Poland, and more
Parents: Manuel Láscaris
Children: Maria Laskarina, Irene Laskarina, and Nikolaos Laskaris
Great grandchildren: John IV Laskaris, Yuri I of Galicia, Kunigunda of Halych, and more