Nielsen Hayden genealogy
Descendants of Theodoros II Doukas Laskaris, Emperor of Nicaea
1222 - 1258 (36 years)Father: Ioannes III Doukas, Emperor of Nicaea (Abt 1192 - 3 Nov 1254 Nymphaion, now Kemelpasa, Izmir, Turkey)
Mother: Eirene Doukaina Komnene Laskarina (Abt 1200 - 1239)
Theodoros II Doukas Laskaris, Emperor of Nicaea (1222 - Aug 1258)
Elena of Bulgaria & Vlachia (1224 - Bef 1254)(m. 1235)
   └─ Eudokia Laskarina (Abt 1248 Nicaea, Asia Minor - 1311 Zaragoza, Aragón, Spain)
    Guillaume Pierre I de Lascaris de Vintimille (m. Abt 1263)
       └─ Jean I Lascaris ( - Bef 1344)
       
           └─ Guillaume Pierre II de Lascaris de Vintimille (Abt 1290 - ??) =>
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