A newly discovered letter written by then-Prince Charles after the death of Princess Diana reveals the royal family's feelings immediately following the death of the children's mother.

According to the Daily Mail, Prince Charles wrote to Peter Houghton in 1997, describing what he called an “unbearable emptiness” after the untimely death of Princess Diana.

The letter, which recently sold at auction for $2,000, described King Charles' “bewilderment and confusion at the loss of someone so young from this world.”

Princess Diana died on August 31, 1997, in Paris, France, after a horrific car accident; a mother of two, she was only 36 at the time.

At the time the letter was written, Houghton was also enduring an excruciating loss. This was mentioned in the letter by then Prince Charles, who seemed to have come to a better understanding in the wake of Princess Diana's death.

Prince Charles wrote that he was “heartbroken” for his friend who had lost “dear Liz” to an unspecified illness. The royal added that he could only imagine the “anguish” his friend was feeling and, as a result, “longed to wave a magic wand that would turn the situation around.” [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...] [...]