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
English claims to the French throne their realms as listed in their titles and styles, and the French fleur-de-lys were included in the royal arms. This continued until 1801, by which time France had no monarch, having become a republic. Following an episode of insanity on the part of Henry VI of England in 1453 and the subsequent outbreak of the Wars of the Roses (1455–87), the English were no longer in any position to pursue their claim to the French throne and lost all their land on the continent, except for Calais. Calais was ruled by eight more English Kings and Queens of France until