In the very stringent list of rules the Royal family members have to follow, you’d have to assume ‘hostage taking’ would be distinctly frowned upon in nearly all situations.
However, there is one tradition that does allow it and it dates back hundreds of years.
The opening of Parliament sees The Queen don her imperial State Crown and the Robe of State.
She then leads the Royal Procession through the Royal Gallery, which is full of around 600 guests, to the Chamber of the House of Lords.
It’s an extremely grand ceremony which usually draws a large TV audience.
However, one lesser known aspect of it is the “taking of a hostage.”
This still happens in 2021 and dates way back to the English Civil War in the 1600s.
Charles I had a very difficult relationship with Parliament, which culminated with him being beheaded in 1649 at the end of the Civil War.
Following this, the idea of taking a “hostage” was devised to ensure the monarch was not harmed.
The “hostage” is usually an MP whose office makes him or her officially a member of the Royal Household.
They spend the opening of Parliament at Buckingham Palace, being looked after by Royal Staff.
The slightly sinister aspect of this is that, in theory, if The Queen was to come to harm, then the “hostage” would also suffer the same fate.
This has never happened, and it’s not really clear what would happen if it did in 2021.