Nielsen Hayden genealogy
Descendants of Manfredo, King of Sicily
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Father: Friedrich II, Holy Roman Emperor
(26 Dec 1194 - 13 Dec 1250)
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Mother: Bianca Lancia
(Abt 1212 - ??)
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Manfredo, King of Sicily (1232 - 26 Feb 1266)
   
Pedro III, King Of Aragón; King Of Sicily
(Jul 1240 - 11 Nov 1285)
    (m. 13 Jun 1262 Montpellier, Hérault, France)
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    (m. 13 Jun 1262 Montpellier, Hérault, France)
       ├─ St. Isabel of Portugal
(4 Jan 1271 Zaragoza, Aragón, Spain - 4 Jul 1336)
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       │
Diniz, King of Portugal
(9 Oct 1261 Lisbon, Portugal - 7 Jan 1325)
       │ (m. 24 Jun 1282 Barcelona, Catalonia, Spain)
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       │ (m. 24 Jun 1282 Barcelona, Catalonia, Spain)
       │    ├─ Costanza of Portugal
(3 Jan 1290 - 23 Nov 1313 Sahagún, León, Spain) =>
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       │    │ + Fernando IV, King of Castile
(6 Dec 1285 Seville, Andalusia, Spain -
       │    │ 7 Sep 1312 Jaén, Andalusia, Spain)(m. Jan 1302 Valladolid, Castile, Spain)
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       │    │ 7 Sep 1312 Jaén, Andalusia, Spain)(m. Jan 1302 Valladolid, Castile, Spain)
       │    └─ Afonso IV, King of Portugal
(Lisbon, Portugal;8 Feb 1291 - 28 May 1357) =>
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       │     + Beatriz of Castile
(1293 Toro, Castile, Spain - 25 Oct 1359 Lisbon, Portugal)
       │     (m. 12 Sep 1309 Lisbon Cathedral, Lisbon, Portugal)
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       │     (m. 12 Sep 1309 Lisbon Cathedral, Lisbon, Portugal)
       └─ Federico II of Aragón, King of Sicily
(13 Dec 1272 - 25 Jun 1337 Palermo, Sicily)
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Eleanora d'Anjou
(Aug 1289 - 9 Aug 1341 Catania, Sicily)(m. May 1303 Messina, Sicily)
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           ├─ Pietro II of Aragón, King of Sicily
(1304 - 15 Aug 1342 Calascibetta, Sicily) =>
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           │ + Elisabeth of Carinthia
(Abt 1298 - 1352)(m. 23 Apr 1322)
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           └─ Elisabeth of Aragon
(Abt 1309 - 21 Mar 1349 Landshut, Bavaria, Germany) =>
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            + Stephan II of Bavaria
(22 Dec 1313 - 19 May 1375 Landshut, Bavaria, Germany)(m. 27 Jun 1328)
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