«HRH The Duke of Edinburgh - College of Arms». www.college-of-arms.gov.uk (på engelsk). 9. april 2021. Besøkt 9. april 2021. «The Titles of HRH The Prince Philip, Duke of Edinburgh: The Duke of Edinburgh was granted the style and title of Royal Highness on 19 November 1947; on the next day, 20 November, he was created Duke of Edinburgh, Earl of Merioneth and Baron Greenwich, of Greenwich in the County of London. These peerages are hereditary and on the death of His Royal Highness have passed to his eldest son, HRH The Prince of Wales. In the event of the Prince of Wales or any subsequent holder of these titles succeeding to the Crown, these titles and all others held will merge with the Crown.»
