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
John of Gaunt a British race for Thoroughbred horses run annually in June. Fakenham in Norfolk has the full name of Fakenham Lancaster as a tribute to him as Duke of Lancaster. Anya Seton's best-selling 1954 novel "Katherine" depicts John's long-term affair with and eventual marriage to Katherine Swynford. John of Gaunt is a major character in Garry O'Connor's "Chaucer's Triumph: Including the Case of Cecilia Chaumpaigne, the Seduction of Katherine Swynford, the Murder of Her Husband, the Interment of John of Gaunt and Other Offices of the Flesh in the Year 1399" (2007). John of Gaunt is a recurring character in Jeri