Nielsen Hayden genealogy
Descendants of St. Isabel of Portugal
1271 - 1336 (65 years)Father: Pedro III, King Of Aragón; King Of Sicily (Jul 1240 - 11 Nov 1285)
Mother: Constance of Sicily (1249 - 1301 Barcelona, Catalonia, Spain)
St. Isabel of Portugal (4 Jan 1271 Zaragoza, Aragón, Spain - 4 Jul 1336)
Diniz, King of Portugal (9 Oct 1261 Lisbon, Portugal - 7 Jan 1325)(m. 24 Jun 1282 Barcelona, Catalonia, Spain)
   ├─ Costanza of Portugal (3 Jan 1290 - 23 Nov 1313 Sahagún, León, Spain)
   │ Fernando IV, King of Castile (6 Dec 1285 Seville, Andalusia, Spain - 7 Sep 1312 Jaén, Andalusia, Spain)
   │ (m. Jan 1302 Valladolid, Castile, Spain)
   │ (m. Jan 1302 Valladolid, Castile, Spain)
   │    └─ Alfonso XI, King of Castile and Leon (13 Aug 1311 Salamanca, Salamanca, Spain -
   │     26 Mar 1350 Gibraltar, Spain)
   │     26 Mar 1350 Gibraltar, Spain)
   │     Maria of Portugal (Abt 1313 - 13 Jan 1357 Évora, Alentejo, Portugal)(m. Sep 1328)
   │        └─ Pedro I, King of Castile (30 Aug 1334 Burgos, Castile, Spain -
   │         23 Mar 1369 Montiel, Ciudad Real, Castile-la-Mancha, Spain) =>
   │         23 Mar 1369 Montiel, Ciudad Real, Castile-la-Mancha, Spain) =>
   │         + Maria García de Padilla (Abt 1335 - Jul 1361 Seville, Andalusia, Spain)(m. 1353)
   └─ Afonso IV, King of Portugal (Lisbon, Portugal;8 Feb 1291 - 28 May 1357)
    Beatriz of Castile (1293 Toro, Castile, Spain - 25 Oct 1359 Lisbon, Portugal)
    (m. 12 Sep 1309 Lisbon Cathedral, Lisbon, Portugal)
    (m. 12 Sep 1309 Lisbon Cathedral, Lisbon, Portugal)
       └─ Maria of Portugal (Abt 1313 - 13 Jan 1357 Évora, Alentejo, Portugal)
        Alfonso XI, King of Castile and Leon (13 Aug 1311 Salamanca, Salamanca, Spain -
        26 Mar 1350 Gibraltar, Spain)(m. Sep 1328)
        26 Mar 1350 Gibraltar, Spain)(m. Sep 1328)
           └─ This couple were related to each other. Any descendants have been already been listed