Blanche I of Navarre

Blanche I (6 July 1387 – 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.