Nielsen Hayden genealogy
Ancestors of Eudokia Laskarina
Abt 1248 - 1311 (~ 63 years)
┌── Basileios Batatzes 
( - Abt 1193)(m. Abt 1189)
( - Abt 1193)(m. Abt 1189) ┌── Ioannes III Doukas, Emperor of Nicaea (Abt 1192 -
│ 3 Nov 1254 Nymphaion, now Kemelpasa, Izmir, Turkey)(m. 1212)
(Abt 1192 -│ 3 Nov 1254 Nymphaion, now Kemelpasa, Izmir, Turkey)(m. 1212)
│ │ ┌── Constantius Angelius ( - Aft Jun 1166)(m. Abt 1120) =>
( - Aft Jun 1166)(m. Abt 1120) => │ │ ┌── Isaakios Angelos
│ │ │ └── Theodora Comnena (15 Jan 1096 Constantinople - ??)(m. Abt 1120) =>
(15 Jan 1096 Constantinople - ??)(m. Abt 1120) => │ │ │
│ └── (Unknown) Angelina (m. Abt 1189)
(m. Abt 1189) │
┌── Theodoros II Doukas Laskaris, Emperor of Nicaea (1222 - Aug 1258)(m. 1235)
(1222 - Aug 1258)(m. 1235) │ │
│ │ ┌── Manuel Laskaris
│ │ ┌── Theodoros I Komnenos Laskaris, Emperor in Nicea (Abt 1175 - Aug 1222)(m. 1199)
(Abt 1175 - Aug 1222)(m. 1199) │ │ │ └── Ioanna
│ │ │
│ └── Eirene Doukaina Komnene Laskarina (Abt 1200 - 1239)(m. 1212)
(Abt 1200 - 1239)(m. 1212) │ │
│ │ ┌── Andronikos Doukas Angelos (Abt 1122 - Aft 1185) =>
(Abt 1122 - Aft 1185) => │ │ ┌── Alexios III Komnenos Angelos, Emperor of Byzantium (Aft 1155 - Aft 1211)(m. 1169)
(Aft 1155 - Aft 1211)(m. 1169) │ │ │ └── Euphrosyne Kastamonitissa (Abt 1125 - Aft 1195)
(Abt 1125 - Aft 1195) │ │ │
│ └── Anna Komnena Angelina (Abt 1174 - 1212)(m. 1199)
(Abt 1174 - 1212)(m. 1199) │ │
│ │ ┌── Andronikos Doukas Kamateros ( - 1176)
( - 1176) │ └── Euphrosyne Doukaina Kamaterina (Abt 1155 - Between 1210 and 1211)(m. 1169)
(Abt 1155 - Between 1210 and 1211)(m. 1169) │
Eudokia Laskarina (Abt 1248 Nicaea, Asia Minor - 1311 Zaragoza, Aragón, Spain)
│
│ ┌── Iwan Asen I, Tsar of Bulgaria (Abt 1150 - 1196)
(Abt 1150 - 1196) │ ┌── Iwan Asen II, Tsar of Bulgaria (Abt 1190 - Jun 1241)(m. Jan 1221)
(Abt 1190 - Jun 1241)(m. Jan 1221) │ │ └── Elena
│ │
└── Elena of Bulgaria & Vlachia (1224 - Bef 1254)(m. 1235)
(1224 - Bef 1254)(m. 1235) │
│ ┌── Geisa II, King of Hungary, Croatia, Dalmatia, and Rama (1130 - 31 May 1161)
(1130 - 31 May 1161) │ │ (m. 1146) =>
│ ┌── Béla III, King of Hungary, Croatia, Dalmatia, and Rama (Abt 1148 - 18 Apr 1196)
(Abt 1148 - 18 Apr 1196) │ │ (m. Abt 1171)
│ │ └── Euphrosine of Kiev (Abt 1130 - 1186)(m. 1146) =>
(Abt 1130 - 1186)(m. 1146) => │ │
│ ┌── András II, King of Hungary (1176 - 21 Sep 1235)(m. Bef 1203)
(1176 - 21 Sep 1235)(m. Bef 1203) │ │ │
│ │ │ ┌── Renaud de Châtillon-sur-Loing (m. Abt 1153) =>
(m. Abt 1153) => │ │ └── Anna de Châtillon (1154 - 1184)(m. Abt 1171)
(1154 - 1184)(m. Abt 1171) │ │ └── Constance of Antioch (m. Abt 1153) =>
(m. Abt 1153) => │ │
└── Maria of Hungary ( - 1237)(m. Jan 1221)
( - 1237)(m. Jan 1221) │
│ ┌── Berthold V von Andechs (Abt 1122 - 14 Nov 1188)(m. 1152) =>
(Abt 1122 - 14 Nov 1188)(m. 1152) => │ ┌── Berthold VI von Andechs (1153 - 12 Aug 1204)(m. 1170)
(1153 - 12 Aug 1204)(m. 1170) │ │ └── Hedwig von Wittelsbach ( - 16 Jul 1174)(m. 1152) =>
( - 16 Jul 1174)(m. 1152) => │ │
└── Gertrud von Meran (Abt 1185 - 28 Sep 1213)(m. Bef 1203)
(Abt 1185 - 28 Sep 1213)(m. Bef 1203) │
│ ┌── Dedo V von Nieder-Lausitz (Abt 1130 - 16 Aug 1190) =>
(Abt 1130 - 16 Aug 1190) => └── Agnes von Nieder-Lausitz (Abt 1154 - 25 Mar 1195)(m. 1170)
(Abt 1154 - 25 Mar 1195)(m. 1170) └── Matilde von Heinsberg ( - 20 Jan 1189) =>
( - 20 Jan 1189) =>