Lady Aylesford was born in 1854. Her parents were the politician, military officer and landowner
Thomas Peers Williams and his wife Emily Williams (). Her siblings were
Owen Lewis Cope Williams, Margaret Elizabeth Williams, Emily Gwendoline Williams, Blanche Mary Williams,
Thomas Anthony Hwfa Williams and Evelyn Katrine Gwenfra Williams. Her grandfathers were politician
Owen Williams and
industrialist Anthony Bushby Bacon. Lady Aylesford married Heneage Finch, then
Lord Guernsey, on 8 January 1871 at St. George's Church,
Hanover Square, London. Her husband succeeded his father,
Heneage Finch, 6th Earl of Aylesford, as the 7th
Earl of Aylesford only two days after their marriage. The Earl and Countess moved in the
Marlborough House Set social circle. They had two daughters together: Hilda Johannah Gwendolen Finch (1872–1931) who married
Malcolm Donald Murray, and Alexandra Louise Minna Finch (1875–1959) who married Philip Samuel Danby, was widowed and later married Robert Emmet. in
Great Packington,
Warwickshire (1894) In 1874 Edward, Prince of Wales and his wife
Princess Alexandra of Denmark visited the Aylesford seat at
Packington Hall in
Great Packington,
Warwickshire, and were lavishly entertained. Lady Aylesford conducted a brief affair with Edward, She wrote a letter to her husband in India to say that she had left home and intended to divorce him to marry Spencer-Churchill. He telegraphed his mother Jane, Dowager Countess of Aylesford, to remove his daughters from their mother: "send for the children and keep them until my return: a great misfortune has happened". He left the royal tour early and returned home, intending to
divorce Lady Aylesford. The Dowager Countess was reluctant to remove her grandchildren from their mother before receiving the full facts of the situation, but afterwards took Hilda and Alexandra to live with her, and they were not permitted to see their mother again. In 1885 Jane said: "they have never seen their mother since then, and they do not know that she is alive." Lady Aylesford petitioned at
Chancery to gain access to her daughters, but was refused. Lady Aylesford wrote to her mother-in-law in March 1876 to explain why she had left home:"I do not attempt to say a word in self-defence, but you can imagine I have suffered much before I could have taken such a step: how much it would be impossible to tell you, but it is the only reparation I can make to Guernsey, and he will now have the opportunity of getting rid of one he has long ceased to care for." and subpoena him in any Aylesford divorce proceedings if Prince Edward did not try to prevent the divorce. Angry, Prince Edward wanted to duel Randolph, but ultimately referred the matter to his mother
Queen Victoria, Lady Aylesford's husband eventually dropped the divorce suit and they formally separated in 1877, == In popular culture ==