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
Edward II of England the Count of Flanders, but this too failed after it was blocked by King Philip IV of France. Between 1297 and 1298, Edward was left as regent in charge of England while the king campaigned in Flanders against Philip IV, who had occupied part of the English king's lands in Gascony. On his return, Edward I signed a peace treaty, under which he took Philip's sister, Margaret, as his wife and agreed that Prince Edward would in due course marry Philip's daughter, Isabella, who was then only two years old. In theory, this marriage would mean that the disputed Duchy