Princess Beatrice has given birth to her second child, named Athena, Buckingham Palace has announced. Athena was born several weeks prematurely and weighed 4lb 5oz, but is said to be healthy and doing well.

In a statement on social media, The Royal Family said Her Royal Highness Princess Beatrice, 36, and her husband Edoardo Mapelli Mozzi, welcomed their daughter Athena Elizabeth Rose Mapelli Mozzi into the world last week on January 22. The baby, which is Princess Beatrice ’s second daughter, was born weighing 4 pounds and 5 ounces.

Arriving in the first month of this year makes the latest addition to the royal family officially part of a new generation. So, asks royal expert Kerry Parnell, what are their defining characteristics,