Everything in the British monarchy has an order and a consequence, so you bet the birth of Princess Eugenie’s third child has changed things for the family—particularly when it comes to the line of succession. Furthermore, royal titles like prince or princess are restricted to the children and male-line grandchildren of the reigning monarch, so Eugenie’s kids do not qualify. Having said all this, Eugenie’s baby girl’s birth did prompt a shift in the line of succession to the British throne. and Princess Anne, the Princess Royal, is now 19th in line. As readers know, Prince William is first in line to the throne after his father, the reigning monarch, King Charles III.