Major General Sir Christopher Airy, a former private secretary to King Charles and Princess Diana, has passed away at the age of 91.
He died on April 7, but news of his death has only recently been announced.
Sir Christopher was appointed to bring stability to the troubled marriage of the then-Prince and Princess of Wales. However, his tenure was brief and ultimately unsuccessful in mending the royal rift.
Royal expert Valentine Low, in his book Courtiers: The Hidden Power Behind the Crown, described Sir Christopher as one of the Charles's worst appointments.
Low detailed how Sir Christopher became increasingly frustrated by the growing divide between Charles and Diana's respective staff as tensions in their marriage escalcated.
One contemporary even labelled him a 'very bad fit' and 'completely on a different planet.'
A Courtier quoted in Low's book stated: 'He was not attuned to Charles's growing charitable interests and struggled to understand the differences between the princess's various organisations.'
Sir Christopher departure from his royal role was announced in May 1991.
It is worth noting that Charles and Diana announced their separation in 1992 and divorced in 1996, just a year before Princess Diana tragically died in a car crash in Paris.
Sir Christopher's time in the royal household came during one of the most difficult phase in modern royal history, as he tried to navigate the deepening rift between the future King and his first wife.