Henry V of England accession, he inherited use of the arms of the kingdom undifferenced. In 1420 Henry V married Catherine of Valois, daughter of Charles VI of France and younger sister of the widow of Richard II, Isabella of Valois (who died several years after her husband). Her dowry, upon the agreement between the two kingdoms, was 600,000 crowns. Together the couple had one child, Henry. Upon Henry V's death, the infant Prince was made king and was crowned Henry VI of England. Henry V of England Henry V (16 September 1386 – 31 August 1422), also called Henry of Monmouth, was King
Henry IV of England his nephew King Richard II (1377-1399) whom Henry eventually deposed. Henry's mother was Blanche of Lancaster, heiress to the great Lancashire estates of her father Henry of Grosmont, 1st Duke of Lancaster (a descendant in the male line of King Henry III). Henry, having succeeded his father as 2nd Duke of Lancaster, when he became king thus founded the Lancaster branch of the Plantagenet English monarchy. He was also the first King of England since the Norman Conquest whose mother tongue was English rather than French. One of Henry's elder sisters, Philippa of Lancaster, married King John I of Portugal,