: is the unmarried elder sister of Mr. Murdstone. A tall dark lady , with a stern, frowning face, she looked and sounded very much like her brother. a woman without much power and influence of her own. We could speculate that she is as sadistic as Mr. Murdstone is but lacks the authority to bully people on her own. So, she needs to accompany Mr. Murdstone, and to be cruel vicariously through him. Which doesn't seem like much of a life.