Demelza (Poldark, Bk. 2)

An impoverished miner's daughter, Demelza Carne is now married to Ross Poldark, who once rescued her from a fairground brawl. Her efforts to adapt to the ways of the gentry - and her husband - place her in hilarious and embarrassing situations, through which she becomes self-assured, mannered, and lovely, and the birth of her first child brings a joy she never experienced before.

But tragedy strikes where least expected, and sows the seeds of an enduring rivalry for Ross Poldark and the powerful George Warleggan, and tests Ross and Demelza's marriage and their love....