There are royal guards at the palace. There is a group called the Musketeers who fight dangers to the kingdom and the King and Queen- they have prevented many tragedies and ensure their safety at all times.

[There was a faint blush on her cheeks as she thought of Aramis for a moment before she continued.]

There will always be dangers but it's important that the King, Queen, the royal family, and the nobility be visible.