She seemed destined to become queen – then was convicted of witchcraft, a scandal that led to the Wars of the Roses. Was Eleanor Cobham a scheming satanist or a political pawn?
He says his children are “happy in school” and the family returned to the UK for "lots of reasons".
Earl Spencer says that he can see echoes of Princess Diana's treatment from the press in the way Harry and Meghan are scrutinised.
Many of the Royal Family's current troubles can be traced back to the aftermath of the then-Princess of Wales' death.
Earl Spencer spoke exclusively with the BBC's Laura Kuenssberg about claims he has made in a new book.
Auction house Sotheby's expects the dress to sell for up to $300,000 (£220,000) when it goes under the hammer on 9 December.
Tens of thousands of people lined the streets to pay their respects after 13 days of national mourning.
President Donald Trump said he was not a fan of the couple and added that they treated the Royal Family with "great disrespect".
Norway's new King takes the first major step of his reign as his father, the late King Harald V, lies in state at the Royal Palace.
