One of the things that I was interested in about Moriarty was - he's so manipulative that he doesn't need to commit violence himself or kill people - he can get everyone to do what he needs to do. And sometimes they don't even know that they are being manipulated by him.
Jared HarrisMarriages had different meanings back then than they do now, they were used to cement agreements between families, business deals and things like that. The idea of marriages being arranged for love is some sort of modern idea, really.
Jared Harris