(6 July 1387Anthony (1931) states that she was the fourth-born daughter of King Charles III of Navarre
by Queen Eleanor
, and she was preceded by Joan, Maria and Margaret and the two latter died early. Anthony defines Blanche's exact birth date as 6 July 1387 by virtue of contemporary sources. – 1 April 1441) was Queen of Navarre
from 1425 to 1441. She became queen regnant upon the death of her father King Charles III of Navarre
. She was married twice, but only had surviving issue from her second husband, King John II of Aragon
, as her only son by Martin I of Sicily
died in early infancy.
She was the second eldest daughter and heir of King Charles III of Navarre and infanta Eleanor of Castile
. She became heiress on the death of her elder sister Joan
Blanche married firstly Martin the Younger
, King of Sicily
and 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 been in need of legitimate heirs, as he had survived his previous wife and former co-ruler, Queen Maria of Sicily
, and their only son. When Martin died on 25 July 1409, he 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 husbandJohn
, duke of Peñafiel by proxy in Olite
, and the second son of......