The Tudor style mansion was originally built in 1575 by Sir Thomas Gresham, banker and founder of the Royal Exchange. After considerable alterations in the 17th century, it was purchased by Francis Child, the immensely wealthy London banker, in 1711. His grandson Francis III hired Robert Adam to transform the house in 1761, but Francis died before the house was finished, leaving the house to his brother, Robert Child. Adam’s work was completed in 1780.
Sarah Anne had eloped with John Fane (1773-1859), 10th Earl of Westmorland., her father chose to leave his fortune to her second child, so that it did not fall into the hands of the Westmorlands. but instead, it went to the Jerseys.
Sally’s mother-in-law was Frances Twysden (1754-1821), Lady Jersey, below right, was the wife of 4th Earl of Jersey (1736-1805) and mistress of George, Prince of Wales. While she was the Prince’s mistress, she schemed to have him marry Caroline of Brunswick, then acted as one of her ladies in waiting, insuring that the marriage would not be happy. About 1803, her place as mistress to the Prince of Wales usurped by Lady Hertford. The death of her husband in 1805 left her in financial distress but her son settled her debts many times.