Catherine of Valois (27 October 1401 – 3 January 1437) was the queen consort of England from 1420 until 1422. A daughter of Charles VI of France, she married Henry V of England, and gave birth to his heir Henry VI of England. Her liaison (and possible secret marriage) with Owen Tudor proved the springboard of that family's fortunes, eventually leading to their grandson's elevation as Henry VII of England. Catherine's older sister Isabella was queen of England from 1396 until 1399, as the child bride of Richard II.
Catherine of Valois was the youngest daughter of King Charles VI of France and his wife Isabeau of Bavaria. She was born at the Hôtel Saint-Pol (a royal palace in Paris) on 27 October 1401. Early on, there had been a discussion of marrying her to the prince of Wales, the son of Henry IV of England, but the king died before negotiations could begin. In 1414, the prince, now Henry V, re-opened discussion of the match, along with a large dowry and acknowledgement of his right to the throne of France.
While some authors have maintained that Catherine was neglected as a child by her mother, a more modern examination of the evidence suggests otherwise. According to the financial accounts of her mother, toys befitting a French princess were purchased, religious texts were provided, and Catherine was sent to the convent in Poissy to receive a religious education.
Henry V went to war with France, and even after the great English victory at Agincourt, plans for the marriage continued. Catherine was said to be very attractive and when Henry finally met her at Meulan, he became enamoured. In May 1420, a peace agreement was made between England and France, the Treaty of Troyes, and Charles acknowledged Henry of England as his heir. Catherine and Henry were married at the Parish Church of St John or at Troyes Cathedral on 2 June 1420. Catherine went to England with her new husband and was crowned queen in Westminster Abbey on 23 February 1421. In June 1421, Henry returned to France to continue his military campaigns.
By this time, Catherine was several months pregnant and gave birth to a son named Henry on 6 December 1421 at Windsor. Her husband never saw their child. During the siege of Meaux, he became sick with dysentery and died on 31 August 1422, just before his 36th birthday. Catherine was not quite 21 and was left a queen dowager. Charles VI died a couple of months after Henry V, making the young Henry VI king of England and English-occupied northern France. Catherine doted on her son during his early childhood.
Catherine was still young and marriageable, a source of concern to her brother-in-law Humphrey, Duke of Gloucester, the guardian of her son. Rumours abounded that Catherine planned to marry Edmund Beaufort, Count of Mortain, her late husband's cousin. The Duke of Gloucester was strongly against the match, however, and the Parliament of 1427–8 passed a bill which set forth the provision that if the queen dowager remarried without the king's consent, her husband would forfeit his lands and possessions, although any children of the marriage would not suffer punishment. The king's consent was contingent upon his having attained his majority. At that time, the king was only six years old.
Catherine lived in the king's household, presumably so she could care for her young son, but the arrangement also enabled the councillors to watch over the queen dowager herself. Nevertheless, Catherine entered into a sexual relationship with Welshman Owen ap Maredudd ap Tudor, who, in 1421, in France, had been in the service of Henry V's steward Sir Walter Hungerford. Tudor was probably appointed keeper of Catherine's household or wardrobe. The relationship began when Catherine lived at Windsor Castle, and she became pregnant with their first child there. At some point, she stopped living in the King's household and in May 1432 Parliament granted Owen the rights of an Englishman. This was important because of Henry IV's laws