Well, this isn't the grave of Anne, Queen of England (1665–1714) and the last Stuart to reign. However, most of the "inhabitants" of the vault ended up as failures in life when deemed by their own standards and dreams which turns it into a sad - and kind of ironic - memento to her biography: It's the grave vault of the narcissist Henry VIII (1491-1547), marked by a slab of marble:
In this quite bare and unceremonious grave vault are Anne's beheaded (and arrogant) grandfather, Charles I, as well as one of her 18 dead children put to rest with the Tudor king Henry VIII and one of his wives, Jane Seymour. All of them relatives, but still, not "bed fellows" one might expect to find together in their last resting place. However, that's just one of the many unexpected traits in the biography of poor Anne, the first one being that she - and before her her sister, Mary - became queens of England. The main reason for that was that their uncle, Charles II (1630–1685) didn't have any legitimate issue and that he, who was a secret Catholic, had his nieces brought up Protestants to make them acceptable by British standards.
Pregnant 18 times, six children born alive, but only one, William, survived until he died, 11 years old. Pregnancies take their toll on the body and the futility of 18 dead children must have been unbearable. Still, she endured because she was a believer: Being brought up an Anglican she found solace in her beliefs which I find quite strange. She might have raged against the God she believed in, but no, she didn't. Not even being racked by something that may have been lupus made her lose faith.
Anne's life was one of unstoppable suffering, and I - who am an Agnostic - admit that her Christian faith kept her going, but that leads to a question: Should one accept what she went through as acceptable in life? Not that she had much of a choice, but ....
https://www.stgeorges-windsor.org/wp-content/uploads/2017/08/HenryVIIIRestingPlace.pdf