When she ascended the throne, Queen Elizabeth had to find peace between her royal duties and her husband.

Her husband doesn’t appear to have taken it well,Good Housekeepingnotes.

But, in the 1950s, that looked like a long shot.

Prince Phillip in a bowler hat

But, some connected to theroyal familystill use the singular name, Windsor, according toTown and Country.

That’s why Prince William’s children have different last names than their cousinArchie.

Prince Harry chose to forgo a title, thus his name is Archie Harrison Mountbatten-Windsor.

Prince Phillip and Queen Elizabeth

In the world of titles, there are rules that trip up even the most seasoned of royal experts!