 Robert Boyle, later Boyle-Walsingham (1736–1780) and wife (m. 1759) Charlotte Hanbury Williams (d. 1790), daughter of Sir Charles Hanbury Williams and Lady Frances Coningsby.Her paternal grandparents were Henry Boyle, 1st Earl of Shannon and his second wife Lady Henrietta Boyle.She spent most of her childhood with her parents at the Boyle Farm mansion in Thames Ditton.