Nielsen Hayden genealogy
Descendants of Maria Arias de Asturias
Father: Arias Dias de Asturias ( - Abt 1253)
Mother: Aldonza Ramirez
Maria Arias de Asturias
   └─ Maria González de Henestrosa ( - Aft 2 Mar 1355)
    Juan Garcia de Padilla ( - Bef 18 Apr 1351)(m. Bef 7 Sep 1325)
       └─ Maria García de Padilla (Abt 1335 - Jul 1361 Seville, Andalusia, Spain)
        Pedro I, King of Castile (30 Aug 1334 Burgos, Castile, Spain -
        23 Mar 1369 Montiel, Ciudad Real, Castile-la-Mancha, Spain)(m. 1353)
        23 Mar 1369 Montiel, Ciudad Real, Castile-la-Mancha, Spain)(m. 1353)
           ├─ Constance of Castile (1354 - 24 Mar 1394)
           │ + John of Gaunt (Mar 1340 Abbey of St. Bavo, Ghent, Flanders - 3 Feb 1399 Leicester Castle, Leicester,
           │ Leicestershire, England)(m. 21 Sep 1371 Roquefort, near Bordeaux, Guienne, France)
           │ Leicestershire, England)(m. 21 Sep 1371 Roquefort, near Bordeaux, Guienne, France)
           └─ Isabella of Castile (1355 - 23 Dec 1392 bur.Church of the Dominicans, Langley, Hertfordshire,
            England) =>
            England) =>
            + Edmund of Langley (Kings Langley, Hertfordshire, England;5 Jun 1341 - 1 Aug 1402)
            (m. Between 1 Jan 1372 and 30 Apr 1372 Hertford, Hertfordshire, England)
            (m. Between 1 Jan 1372 and 30 Apr 1372 Hertford, Hertfordshire, England)