Lady Randolph Churchill
Jeanette, Lady Randolph Churchill CI DStJ was an Americanborn British socialite, the wife of Lord Randolph Churchill and the mother of British Prime Minister Sir Winston Churchill.
Jeanette Jennie Jerome was born in the Cobble Hill section of Brooklyn in 1854, the second of four daughters of financier, sportsman, and speculator Leonard Jerome and his wife Clarissa , daughter of Ambrose Hall, a landowner. She was raised in Brooklyn and other parts of what would become New York City. She had two surviving sisters, Clarita and Leonie . Another sister, Camille died when Jennie was nine. Leonard Jerome was rumoured to also be the father of the American opera singer Minnie Hauk.
Source: Wikipedia