Though I am not much these days on historical novels, That Churchill Woman captured my interest. Jennie Churchill, an American and mother of Winston, was a passionate woman--passionate is an understatement--a bright star and controversial figure among the English upper class. You'll find the review and the link to the Smoky Mountain News below the line.
https://smokymountainnews.com/aae/item/26555-jennie-churchill-was-anything-but-a-prude