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
Edmund Butler, 1st Earl of Kilkenny the 13th Lord Viscount Mountgarret in 1846. Edmund Butler, 1st Earl of Kilkenny Edmund Butler, 1st Earl of Kilkenny, 12th Viscount Mountgarret (6 January 1771 – 16 July 1846) was created Earl of Kilkenny on 20 December 1793. The son of Edmund Butler, 11th Viscount Mountgarret and Henrietta Butler, he was thus a member of the powerful Butler Dynasty descended from the illustrious House of Butler of Ormond, who purchased and resided at Kilkenny Castle from 1391 to 1967. He married Mildred Fowler, daughter of Robert Fowler, Archbishop of Dublin, without issue. On his death the Earldom thus became extinct