direct to your inboxQueen Elizabeth II is the longest-running monarch Britain has ever had.The Queen has been on the throne since 1952 - nearly seven decades.Charles, Prince of Wales, is the heir apparent, meaning he is the first in line for the throne - but who follows in the Royal line of succession?The latest addition to the Royal Family is the son of Princess Eugenie and Jack Brooksbank, August Philip Hawke Brooksbank.