Alfonso IX (Castilla) de León

Alfonso Fernández (Castilla) de León (1171 - 1230)

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Alfonso Fernández (Alfonso IX) "Rey de León y Galicia, el Baboso (the Slobberer)" de León formerly Castilla aka de Galicia
Born in Zamora, Leon, Castilla-Leon, Spainmap
Ancestors ancestors
Husband of — married in Annuledmap
Husband of — married [location unknown]
Descendants descendants
Died in Sarria, Lugo, Galicia, Spainmap
Profile last modified | Created 11 Jun 2016 | Last significant change: 17 Nov 2018
00:30: Traci Thiessen edited the Biography for Alfonso IX (Castilla) de León. (edited source citation) [Thank Traci for this]
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Categories: House of Bourgogne | Spanish Royalty | Spanish Monarchs | Battle of Alarcos.

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Alfonso IX of León

  • King of León and Galicia
European Aristocracy
Alfonso IX (Castilla) de León was a member of aristocracy in Europe.
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b.15 Aug 1171
d. 23 or 24 Sep 1230

Early Life

p. Ferdinand II of León and Urraca of Portugal


m. Theresa of Portugal. Issue:
  • 1. Ferdinand (c.1192 – Aug 1214). Single. No issue.
  • 2. Sancha (ca. 1193–bef. 1243). Single. No issue.[2]
  • 3. Dulce, (1194/ca. 1195 - ca./aft. 1243), Single. No issue.

m. Berengaria of Castile. Issue:
  • 4. Eleanor (1198/1199 - 11 Nov 1202)
  • 5. Constance (1 May 1200 - 7 Sep 1242). Nun at Las Huelgas, Burgos
  • 6. King Ferdinand III the Saint (1201–1252)
  • 7. Alfonso, 4th Lord of Molina (1203–1272)
  • 8. Berengaria of León (1204–1237) m. John of Brienne

illegitimate children

  • at least 15 documented.
mistress Aldonza Martínez de Silva
  • 9. Pedro Alfonso de León, 1st Lord of Tenorio (ca. 1196/ca. 1200–1226), Grand Master of Santiago m. N de Villarmayor. Issue.
  • 10. Alfonso Alfonso de León (d.Young)
  • 11. Fernando Alfonso de León (d.Young)
  • 12. Rodrigo Alfonso de León (ca. 1210 - ca. 1267), 1st Lord of Aliger and Gov. of Zamora m. c. 1240 Inés Rodriguez de Cabrera (b. c.1200). Issue.
  • 13. Teresa Alfonso de León (ca. 1210-), wife of Nuño González de Lara el Bueno, lord of Lara
  • 14. Aldonza Alfonso de León (ca.1215–1266)
m.1 Diego Ramírez Froilaz. No issue.
m.2 anti. June 1230 Pedro Ponce de Cabrera (b. anti. 1202 - d. 1248 -1254). Issue.[3]

mistress Inés Iñíguez de Mendoza (b. c.1180)[4]. Issue:
  • 15. Urraca Alfonso de León (ca. 1190/ca. 1197-) m. c.1230 of Lope Díaz II de Haro (1192-15 Dec 1236), 6th Sovereign Lord of Viscaya. Issue: including Mécia Lopes de Haro.
mistress Estefánia Pérez de Limia[5]. Issue:
  • 16) Fernando Alfonso de León (b. c. 1211 -d.Young)

mistress Maua[6]. Issue:
  • 17. Fernando Alfonso de León (ca. 1215/1218/1220 - Salamanca, 1278/1279), Archdean of Santiago m. Aldara de Ulloa. Issue.
mistress Teresa Gil de Soverosa (b. aft. 1175)[7]. Issue:
  • 18. María Alfonso de León (ca. 1190/1200/1222 - aft. 1252)
m.1 Álvaro Fernández de Lara. No issue.
m.2 Soeiro Aires de Valadares (ca. 1140-). Issue.
mistress of her nephew Alfonso X of Castile
  • 19. Sancha Alfonso de León (1210/ca. 1210–1270)
Divorced without issue: Simón Ruíz, Lord of Los Cameros
Nun: Santa Eufemia in Cozuelos de Ojeda
  • 20. Martín Alfonso de León (ca. 1210/ca. 1225-1274/ca. 1275)
  • 21. Urraca Alfonso of León (ca. 1210/1228 - aft.1252)
m.1 García Romeu of Tormos. No issue.
m.2 Pedro Núñez de Guzmán.[8] Issue.


  1. Lippincott's Pronouncing Biographical Dictionary, University of Nevada, Reno Library. Philadelphia, PA, USA: J.B. Lippincott, Joseph Thomas M. D. LL. D, 1890.
  2. She and her sister Dulce became nuns or retired at the Monastery of San Guillermo Villabuena (León) where she died before 1243.
  3. ancestors of the Ponce de León family.
  4. p. Lope Iñiguez de Mendoza, 1st Lord of Mendoza (ca. 1140–1189) and Teresa Ximénez de los Cameros (b. c.1150)
  5. dau Pedro Arias de Limia and ____ who later m. Rodrigo Suárez, Merino mayor of Galicia, had issue)
  6. unknown origin
  7. dau Gil Vasques de Soverosa and first wife Maria Aires de Fornelos
  8. p. Guillén Pérez de Guzmán and María González Girón
  • Royal Ancestry by Douglas Richardson Vol. II. p. 115
See also:
  • Weis, Frederick Lewis, Ancestral Roots of Certain American Colonists who Came to America Before 1700, 7th ed., Baltimore MD: Genealogical Publishing Co., Inc., 1992. Access online (search only) at GoogleBooks, Line 114, pp. 104-105: parents, b.1166, d.1229, King of Leon 1188-1229, m2.Berengaria of Castille (d.1244); Line 120 p.107.
  • Wikipedia: Alfonso IX of León
  • Roberts, Gary Boyd, The Royal Descents of 600 Immigrants. Baltimore, MD, USA: Genealogical Publishing Co., 2004; [database on-line], Provo, UT, USA: Operations, Inc., 2006: #467 p.385-6.

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No known carriers of Alfonso IX's Y-chromosome or his mother's mitochondrial DNA have taken yDNA or mtDNA tests.

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Images: 1
Alfonso de León y Galicia Image 1
Alfonso de León y Galicia Image 1


On 29 May 2017 at 21:03 GMT Steve Selbrede wrote:

His two wives, Berenguela, are probably the same person.

Alfonso IX is 30 degrees from Rosa Parks, 27 degrees from Anne Tichborne and 19 degrees from Victoria of the United Kingdom of Great Britain and Ireland on our single family tree. Login to find your connection.

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