See Poland Street 1 to 9 & 49 to 62 in London Addresses dataset. Charlotte Villettes widow 1 Poland Street SunFire 1776
Arthur Villettes will PCC 1776 mentioned his eldest son Henry Clinton Villettes, his son William Ann Jasper Villettes, his daughter Mary Villettes & his son John Villettes, his wife Charlotte, his late honoured father-in-law William Henry Sellon, his wife's uncle Jasper Sellon, his late brother James Villettes, his late daughter Charlotte buried at Weston near Bath. He was formerly English ambassador to Switzerland. His widow Elizabeth Charlotte deVillettes or Sellon of Geneva will PCC 1792. Wills of brother James PCC 1768 and his widow Jane Martha PCC 1779