Nielsen Hayden genealogy
Descendants of Beatriz of Castile
Father: Alfonso X, King of Castile and León (21 Nov 1221 Toledo, Toledo, Castilla-La Mancha, Spain - 4 Apr 1284 Seville, Andalusia, Spain)
Mother: Maria Guillen de Guzmán ( - 1262)
Beatriz of Castile
Afonso III, King of Portugal (5 May 1210 Coimbra, Portugal - 16 Feb 1279 Lisbon, Portugal)(m. 1253)
   └─ Diniz, King of Portugal (9 Oct 1261 Lisbon, Portugal - 7 Jan 1325)
    St. Isabel of Portugal (4 Jan 1271 Zaragoza, Aragón, Spain - 4 Jul 1336)
    (m. 24 Jun 1282 Barcelona, Catalonia, Spain)
    (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)
       └─ 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)