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
Succession to Elizabeth I of England John of Gaunt, would claim the throne and so overturn the principle of primogeniture, was revived in the context of the Elizabethan succession, after seven generations. John of Gaunt's eldest daughter having married into the Portuguese House of Aviz, one of his descendants was the Infanta of Spain, Isabella Clara Eugenia. The legitimacy of Isabella's claim was seriously put forward, on the Catholic side of the argument. A reason given for Essex's Rebellion was that the Infanta's claim had gained traction with Elizabeth and her counsellors. The Succession to the Crown Act 1543 was the third such act of the