Blanche of England John of Gaunt and Blanche of Lancaster, he was the heir of the Duchy of Lancaster. Blanche was named after her paternal grandmother. Blanche's mother died on 4 June 1394 in Peterborough Castle after giving birth to her last child, Philippa. Five years later, on 13 October, Blanche's father deposed his cousin Richard II and usurped the throne. Three years later in 1402, her father was remarried, to Joanna, daughter of King Charles II of Navarre and widow of Duke John V of Brittany. There were no children of this marriage. After his accession to the English throne, King Henry
John of Gaunt Portugal and had concentrated his forces on the Portuguese border. He was wrong-footed by John's decision to invade Galicia, the most distant and disaffected of Castile's kingdoms. From August to October, John of Gaunt set up a rudimentary court and chancery at Ourense and received the submission of the Galician nobility and most of the towns of Galicia, though they made their homage to him conditional on his being recognised as king by the rest of Castile. While John of Gaunt had gambled on an early decisive battle, the Castilians were in no hurry to join battle, and he began