Charles Spencer shared a fantastic insight into the history of his family home, Althorp, with his social media followers on Wednesday.Taking to Instagram, the Earl shared a rare picture of a beautiful room at the jaw-dropping estate which sadly is no longer there.SEE: Princess Diana's brother Charles Spencer's dining room is fit for royaltyThe father of seven captioned the image: "The Old Breakfast Room, at @althorphouse, in 1892 - the year in which my grandfather Jack Spencer was born.