Earl of Richmond and away from any attempts of the French crown to acquire it and the related properties. From 1414 to 1435 the earldom of Richmond was held by John Plantagenet, Duke of Bedford. In 1453 it was conferred on Edmund Tudor, half-brother to King Henry VI. When Edmund's son Henry ascended the throne as Henry VII in 1485, the earldom of Richmond merged in the crown, and for the next forty years there was no further grant of the title. After Henry Tudor, Earl of Richmond, became King Henry VII of England, the title Duke of Richmond was created by the
Francis Radclyffe, 1st Earl of Derwentwater married Lady Mary Tudor, natural daughter of Charles II. Francis Radclyffe, 1st Earl of Derwentwater Francis Radclyffe, 1st Earl of Derwentwater (1625 – April 1697), of Dilston Castle was an English peer and member of the House of Lords. His wife was Catherine Fenwick, daughter of Sir William Fenwick and widow of Henry Lawson. They had five sons and four daughters. He was the eldest son of Sir Edward Radclyffe, 2nd Baronet of Dilston Castle, and his wife Elizabeth Barton. He was created Earl of Derwentwater, Viscount Radclyffe, and Baron Tyndale on 7 March 1688. He was succeeded by his