Alfonso of Castile, X King of Castile León and Galicia

1221 - 1284  (62 years)

• Name	Alfonso of Castile
  Suffix	X King of Castile León and Galicia
  Birth	23 Nov 1221
  Gender	Male
  Reference Number	13282
  Death	4 Apr 1284
  Person ID	I13282	KLD Genealogy
  Last Modified	19 Jun 2026

  
  

  Father	Ferdinand of Castile, III King of Castile King of León King of Galicia Saint,   b. Abt 1199, Monastery of Valparaiso, Peleas de Arriba, Leon d. 30 May 1252, Seville, Castile (Age 53 years)
  Relationship	bio
  Mother	Elisabeth of Swabia, Queen Consort of Castile and Toledo,   b. Abt Mar 1205, Nuremberg, Bavaria d. 5 Nov 1235, Toro, Castile (Age 30 years)
  Relationship	bio
  Family ID	F4172	Group Sheet  |  Family Chart

  
  

  Family 1	Maria Alfonso de Leon
  Children	> 1. Berenguela Alfonso of Castile  [Father: bio]  [Mother: bio]
  Family ID	F4943	Group Sheet  |  Family Chart
  Last Modified	19 Jun 2026

  
  

  Family 2	Elvira Rodriguez de Villada
  Children	1. Alfonso Fernandez de Castilla,   b. 1242   d. 1281 (Age 39 years)  [Father: bio]  [Mother: bio]
  Family ID	F4944	Group Sheet  |  Family Chart
  Last Modified	19 Jun 2026

  
  

  Family 3	Mayor Guillén de Guzmán,   b. 1205   d. 1262 (Age 57 years)
  Children	+ 1. Beatrice of Castile, Queen Consort of Portugal,   b. 1242   d. 1303 (Age 61 years)  [Father: bio]  [Mother: bio]
  Family ID	F4946	Group Sheet  |  Family Chart
  Last Modified	19 Jun 2026

  
  

  Family 4	Violante of Aragon, Queen Consort of Castile and León,   b. 8 Jun 1236   d. 1301 (Age 64 years)
  Marriage	Abt 1246
  Children	1. Isabelle of Castile  [Father: bio]  [Mother: bio]   2. Berengaria of Castile, Lady of Guadalajara,   b. 1253   d. Aft 1284 (Age > 32 years)  [Father: bio]  [Mother: bio]   3. Beatrice of Castile, Marchioness of Montferrat,   b. Abt 5 Nov 1254   d. 1286 (Age 31 years)  [Father: bio]  [Mother: bio]   4. Ferdinand de la Cerda of Castile, Infante,   b. 23 Oct 1255   d. 25 Jul 1275 (Age 19 years)  [Father: bio]  [Mother: bio]   5. Eleanor of Castile,   b. 1257   d. 1275 (Age 18 years)  [Father: bio]  [Mother: bio]   6. Constance of Castile, Nun,   b. 1258   d. 22 Aug 1280 (Age 22 years)  [Father: bio]  [Mother: bio] + 7. Sancho of Castile, IV King of Castile King of Leon King of Galicia,   b. 12 May 1258   d. 25 Apr 1295 (Age 36 years)  [Father: bio]  [Mother: bio]   8. Peter of Castile, Lord of Ledesma,   b. Jun 1260   d. 10 Oct 1283 (Age 23 years)  [Father: bio]  [Mother: bio]   9. John of Castile, Lord of Valencia de Campos,   b. Abt Mar 1262   d. 25 Jun 1319 (Age 57 years)  [Father: bio]  [Mother: bio]   10. Violant of Castile, Lady of Biscay,   b. 1265   d. 1296 (Age 31 years)  [Father: bio]  [Mother: bio]   11. James of Castile, Lord of Cameros,   b. Aug 1266   d. 9 Aug 1284 (Age 18 years)  [Father: bio]  [Mother: bio]
  Family ID	F4945	Group Sheet  |  Family Chart
  Last Modified	19 Jun 2026