Jennie Jerome was born in 1854 at 426 Henry Street in Brooklyn.
She was considered the "the beauty" of the Jerome sisters.
With her family wealthy, she was able to travel. While in England, Jennie met Lord Randolph Churchill on the Isle of Wight. Three days later he proposed to Jennie and she accepted. Their parents were informed four days later. Jennie married Lord Churchill on April 1874.
Their first child born was named Winston Leonard Churchill and born Nov. 30, 1874 at Blenheim Castle in Oxfordshire, an ancestral home.
Their second son was named John Strange Spencer Churchill (Feb. 4, 1880 - Feb. 23, 1947. Earlier he was referred by Winston as a ‘baby’. His Nickname: 'Jack'. John married Lady Gwendoline Theresa Mary Bertie Nov 20, 1885 - July 7, 1941. They had 3 children.
Graceful, witty, and charming, Jennie Jerome Churchill was an immediate success in British high society. However, her marriage with Lord Churchill was not a happy one. She had many affairs and lovers. Her husband died in 1895.
After 1895 Jennie started editing a short-lived literary magazine and writing several books and plays.
Jennie's famous sayings: “There is no such thing as a moral dress – it’s the people who are moral or immoral,” and “Treat your friends as you do your pictures, and place them in their best light.”
Jennie very helped with social contacts and influence to assist her son, Winston in the political field.
Jennie also had a snake tattooed on her wrist. In the late 1890s, tattooing was very expensive and people paid large sums of money for personal designs placed on themselves. It was popular with aristocrats, including women.
After John’s death in 1895, Jennie married George Cornwallis-West in 1900, called 'the handsomest man in England’, a Guards officer who was only two weeks older than Winston, then divorced him eleven years later to marry Montagu Porch in 1918 living contentedly with him until her death in 1921.
Jennie in 1921 was in Africa, she fell down a flight of stairs in which her ankle was broken. It did not heal correctly and gangrene set in and the left leg had to be amputated. She was back home in London when a hemorrhage of an artery in her thigh occurred and she died.