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For other persons of this name see Blanca of Navarre (disambiguation).
Blanche I
Queen of Navarre
Queen consort of Sicily
Reign 8 September 1425 – 1 April 1441
Predecessor Charles III
Successor Charles IV
Spouse Martin I of Sicily
John II of Aragon
Charles IV
Blanche II
Father Charles III
Mother Eleanor of Castile
Born 6 July 1387
Died 1 April 1441
Coat of arms of Blanche I

Blanche I of Navarre (6 July 1387[1] – 1 April 1441 in Santa María la Real de Nieva) was Queen of Navarre from 1425 to 1441.



She was the daughter of King Charles III of Navarre and infanta Eleanor of Castile (died 1416).

Blanche married firstly Martin the Younger, King of Sicily and Crown Prince of Aragon. They were married by proxy on 21 May 1402 in Catania. Blanche travelled to meet her new husband and they were married in person on 26 December 1402. The bride was about eleven years old and the groom twenty-eight.

Martin had survived his previous wife and former co-ruler Mary of Sicily and their only son. He was in need of legitimate heirs. However Martin and Blanche only had one son:

  • Prince Martin of Sicily (1406-1407).

They both survived their only son. Martin died on 25 July 1409 and was succeeded by his own father, Martin I of Aragon.

Blanche remained a widow for a decade. On 6 November 1419, Blance married her second husband John (Juan), duke of Peñafiel by proxy in Olite. John was the second son of Ferdinand I of Aragon and Eleanor of Alburquerque. Ferdinand had succeeded his maternal uncle Martin I in 1412.

Juan traveled to meet her. On 10 June 1420, they were married in person in Pamplona. Charles III died on 8 September 1425 and Blanche succeeded him as Queen regnant of Navarre. John became King Consort of Navarre in her right. They had four children:

After the death of Blanche, he kept the government of Navarre in his own hands, from the hands of their own son Charles of Viana, the rightful heir of the line of Navarrese kings.

John became King of Aragon and King of Sicily, upon the death of his elder brother Alfonso V of Aragon in 1458.


Blanche's ancestors in three generations
Blanche I of Navarre Father:
Charles III of Navarre
Paternal Grandfather:
Charles II of Navarre
Paternal Great-grandfather:
Philip III of Navarre
Paternal Great-grandmother:
Joan II of Navarre
Paternal Grandmother:
Jeanne de Valois, Queen of Navarre
Paternal Great-grandfather:
John II of France
Paternal Great-grandmother:
Bonne of Bohemia
Eleanor of Castile
Maternal Grandfather:
Henry II of Castile
Maternal Great-grandfather:
Alfonso XI of Castile
Maternal Great-grandmother:
Eleanor of Guzman
Maternal Grandmother:
Juana Manuel of Castile
Maternal Great-grandfather:
Juan Manuel, Duke of Peñafiel
Maternal Great-grandmother:
Blanca de La Cerda y Lara


  • Anthony, Raoul: Identification et Etude des Ossements des Rois de Navarre inhumés dans la Cathédrale de Lescar, Paris, Masson, 1931
  • Maria Rita Lo Forte Scirpo: C'era una volta una regina ... : due donne per un regno: Maria d'Aragona e Bianca di Navarra, Napoli : Liguori, [ISBN 882073527X], 2003


  1. ^ Anthony (1931) states that she was the fourth-born daughter of King Charles III of Navarre by Queen Eleanor, and she was preceded by Juana, Maria and Margarita and the two latter died early. Anthony defines Blanca's exact birth date as 6 July 1387 by virtue of contemporary sources.

External links

Blanche I of Navarre
Born: 6 July 1387 Died: 1 April 1441
Regnal titles
Preceded by
Antonia of Balzo
Queen consort of Sicily
26 December 1402 – 25 July 1409
Succeeded by
Margarita of Aragon-Prades
Preceded by
Charles III
Queen regnant of Navarre
with John II

8 September 1425–3 April 1441
Succeeded by
Charles IV


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