Earl of Richmond as the Earl of Richmond. He had one son, Henry VII who was born posthumously circa 1456. The Earldom of Richmond was replaced by the Dukedom of Richmond which was named after Richmond and its surrounding district of Richmondshire. It has been held by members of the royal Tudor and Stuart families. The current dukedom of Richmond initially maintained the historic ties of Richmond to Brittany when it was created in 1675 for Charles Lennox: he was the illegitimate son of King Charles II of England and a noble bretonne, Louise de Penancoët de Kérouaille. From 1341, the title and
Tudors of Penmynydd lineage, the Griffiths of Penrhyn, whose head, Gwilym ap Griffith, had married their niece, Morfydd ferch Goronwy. The family is best known due to the descendants of a younger son. Owain Tudur (anglicised to "Owen Tudor"), the son of rebel Maredudd ap Tudor, would become a courtier, and secretly married Catherine of Valois, widowed Queen Consort of the Lancastrian King Henry V. Owen Tudor and Catherine of Valois had two sons, Edmund Tudor, 1st Earl of Richmond (d. 1456), and Jasper Tudor, Duke of Bedford and Earl of Pembroke (d. 1495). Edmund Tudor was betrothed and married to Margaret Beaufort