A twist comes when those sisters-in-law learn of the illegitimate child borne to Eliza Williams by a man who attempted to seduce one of them and later weds the widowed Sophia Grey to resolve his debts,  John Willoughby.  
Minor characters in this work include Charlotte Palmer, her in-laws the Middletons, and their gossipy mother Mrs. Jennings.  In its first scene, John's wife Fanny argues for the allowance for her sisters-in-law to be reduced from three thousand pounds to five hundred, forcing them to move to Barton Cottage.  A twist comes when those sisters-in-law learn of the illegitimate child borne to Eliza Williams by a man who attempted to seduce one of them and later weds the widowed Sophia Grey to resolve his debts,  John Willoughby.  Williams is the foster daughter of the thirty-five year-old Colonel Brandon, who, like Edward Ferrars, marries a Dashwood sister at the end of, FTP, what first published Jane Austen novel?
Minor characters in this work include Charlotte Palmer, her in-laws the Middletons, and their gossipy mother Mrs. Jennings.  
{Sense and Sensibility }(1) [DL]