Tom Parker Bowles, the son of Queen Camilla , has disclosed that he used to refer to King Charles by an unexpected name during his youth. The Royal Family is known for their peculiar nicknames - one of the late Queen 's domestic aliases was 'Gary' - but Tom opted for a more formal approach when addressing his future father-in-law. In a 2012 interview the Mirror reports that food critic and writer, Tom, revealed that he refers to Charles as "Sir".

"But it's not any sort of obligation, it's just a nickname really, like Bob or Jim," he shared with The Telegraph . "When we were little, my mother would tell my sister and I that Sir was coming to visit, so the name stuck and to call him anything else would be very odd and unnatural." Tom and his younger sister Laura Lopes are Camilla's children from her first marriage to Andrew Parker Bowles.

Besides being Tom's stepfather, King Charles also happens to be one of his godparents. The siblings were among the attendees at Charles and Camilla's wedding and blessing in Windsor in 2005, along with their stepbrothers, Prince William and Prince Harry. Tom is a father to daughter Lola and son Freddy with his former wife Sara Buys, while Laura has a daughter Eliza and twin sons, Gus and Louis, with her husband, Harry.

Gus, Louis and Freddy all served as pages of honour at the King's coronation in May 2023. In the run-up to the Coronation, Tom offered a seemingly indirect response to Prince Harry's assertions in Spare that his mother had an "e.