Leonie 's sister was Jennie , wife of Lord Randolph Churchill and mother of Winston Churchill .
On 2 October 1884 in New York City , with disapproval from both families , Leslie married Leonie Blanche Jerome , daughter of Leonard Jerome and Clarissa Hall .
daughter 's sister was Jennie , wife of Lord Randolph Churchill and mother of Winston Churchill .
On 2 October 1884 in New York City , with disapproval from both families , Leslie married Leonie Blanche Jerome , daughter of Leonard Jerome and Clarissa Hall .