John of Gaunt return for a large annual payment and the marriage of their daughter Catherine to John of Trastámara's son Henry. John left Portugal for Aquitaine, and he remained in that province until he returned to England in November 1389. This effectively kept him off the scene while England endured the major political crisis of the conflict between Richard II and the Lords Appellant, who were led by John of Gaunt's younger brother Thomas of Woodstock, Duke of Gloucester. Only four months after his return to England, in March 1390, Richard II formally invested Gaunt with the Duchy of Aquitaine, thus providing
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