Lucille is Sharpe's companion in Normandy. The have two children together, and they work the farm she owns. She is not married to Sharpe because Sharpe has a wife back in England, and Sharpe is unable to get a divorce. In the brief time that Lucille appears in the novel, one gets a picture of a very practical woman. While Sharpe is hesitating to take Louisa's offer to go find Don Blas, Lucille knows the farm is badly in need of money, so she answers for Sharpe that he will go. It appears that Lucille cares deeply for her husband, and the first comment she makes after saying that Sharpe will take the job is that he must write to Harper immediately.