| GLOUCESTER | Duke of -; title of Henry IV's fourth and youngest son Humphrey (10) |
| HENRYI | The fourth and youngest son of William the Conqueror (5,1) |
| WELLINGTON | Duke of -; title of the prime minister known as the Iron Duke who defeated Napoleon at the Battle of |
| MONMOUTH | The Duke of ---, title of the eldest illegitimate son of Charles II (8) |
| CLARENCE | Duke of ---, title of George Plantagenet, brother of Edward IV and Richard III (8) |
| LUTHERKING | Civil rights activist and youngest person to be awarded the Nobel Peace Prize, Martin ..., Jr (6,4) |
| MARLBOROUGH | 1st Duke of ---, title of John Churchill, English general who commanded British forces in the War of the Spanish Succession (11) |
| SUSSEX | Duke of -; title of Prince Harry, sixth in the line of succession to the British throne (6) |
| YORK | Duke of -; title of Prince Andrew, sixth in line to the throne (4) |
| GRAFTON | 3rd Duke of -; title of Augustus FitzRoy, Whig statesman who served as prime minister from 1768-70 (7) |
| BEDFORD | 15th Duke of -; title of Woburn Abbey owner Andrew Russell whose father featured in the series Country House (7) |
| DARNLEY | Lord -; title of Henry Stuart, husband of Mary, Queen of Scots implicated in the murder of David Rizzio before being murdered himself at Kirk o' Field (7) |
| IVRY | Name, homophonous with an elephant's white dentine tusk sadly symbolic of its doom, of a pivotal battle of the French Wars of Religion, famously associated with Henry IV's behest to his troops just be |
| KYLIE | ___ Jenner, cosmetics tycoon and youngest of 9A and 60A's children (5) |
| EDICT | Henry IV's ____ of Nantes was revoked by Louis XIV's ____ of Fontainebleau |
| ESSEX | Earl of ---, title of Robert Devereux, English soldier and favourite of Queen Elizabeth I of England (5) |
| SNOWDON | Earl of -; title of Antony ArmstrongJones, photographer and late former husband of Princess Margaret (7) |
| DENVER | Duke of -, title held by Gerald Wimsey in a series of books by Dorothy L Sayers (6) |
| CAMBRIDGE | Duke of ---, title conferred on Prince William on his wedding day in 2011 (9) |
| WINDSOR | Duke of ---, title created for the former King Edward VIII following his abdication (7) |
