Blanche I Capet of Navarre, Queen regnant of Navarre, Count of Évreux, was born 6 July 1387 in Pamplona, Spain to Charles III of Navarre (1361-1425) and Leonor of Castile (aft1363-1416) and died 1 April 1441 Santa María la Real de Nieva, Spain of unspecified causes. She married Martin I of Sicily (c1375-1409) 26 December 1402 JL . She married John II of Aragon (1397-1479) 10 June 1420 JL . Charlemagne (747-814)/s, Henry II of England (1133-1189)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s.
|Offspring of Blanche I of Navarre and Martin I of Sicily (c1375-1409)|
|Martin of Sicily (1406-1407)|
|Offspring of Blanche I of Navarre and John II of Aragon (1397-1479)|
|Carlos of Viana (1421-1461)||29 May 1421||23 September 1461||Agnes von Kleve (1422-1446) Agnes von Kleve (1422-1446) Brianda de Vaca (?-?)|
|Juana of Aragon (1423-1425)|
|Blanca of Navarre (1424-1464)||9 June 1424 Olite||2 December 1464 Orthe||Henry IV of Castile (1425-1474)|
|Eleanor of Aragon (1426-1479)||2 February 1426 Olite, Navarre, Spain||12 February 1479 Tudela, Navarre, Spain||Gaston IV de Foix (1423-1472)|