any members of Britain's upper crust are expected to be in attendance at King Charles III's coronation this weekend

among them is Sarah Rose Hanbury

the Marchioness of Cholmondeley, who has come to be colloquially known as just Rose Hanbury.

It's no surprise that Rose will likely join the spectators at Westminster Abbey for the coronation,

especially since she has long been a part of Prince William and Princess Kate's inner circle

(an association that has often made her fodder for tabloid headlines and rumors

none of which the Prince and Princess of Wales have publicly addressed).

She has often been photographed at events with William and Kate,

and was an attendee at Prince Philip's memorial service and Queen Elizabeth II's state funeral last year.

Rose's 13-year-old son, Lord Oliver Cholmondeley,