Where is Lady Farncombe?

Lady Farncombe is a character in the British television series "The Crown." She is portrayed as a member of the British aristocracy and has minimal screen time. If you're referring to a specific location associated with her character, it would depend on the context of the episode in which she appears, as she might be depicted in various settings throughout the series. If you meant a real person with the title, please provide more context for a precise answer.