Sarah Ferguson “reconciliation” with the Royal Family could cause an unexpected Princess Beatrice and Princess Eugenie olive branch, a royal historian has claimed. The Duchess of York, who divorced Prince Andrew in 1996, has made several public appearances with the royals under King Charles III’s reign. Sarah Ferguson, 64, walked side-by-side with the Duke of York on the Sandringham Estate last December. This marked her first time returning to the royal Christmas festivities since 1991, as she officially separated from Prince Andrew the following year. Since then, Fergie has appeared at King C…