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
Succession to the French throne a dynastic struggle between the House of Plantagenet and the House of Valois for control of the French throne. The conflict, known as the Hundred Years War, dragged on for decades. England won several famous military victories, but was unable to fully overcome French resistance. Yet in the aftermath of the Battle of Agincourt, Henry V of England, great-grandson of Edward III, became the heir to the French throne in accordance to the Treaty of Troyes. He would marry Catherine, daughter of King Charles VI of France, while Charles' son, the Dauphin Charles was declared illegitimate and disinherited. Yet Henry