William: My brother has an appreciation of art, so I imagine the woman he chooses must be beautiful beyond the pale. Once he outgrows his current predilection with painting and accepts his family responsibilities, he'll need a wife who can move throughout society. She must have proper carriage and be a witty conversationalist. She should have excellent bloodlines as well, in the event of offspring.Emma: With the possible exception of a witty conversationalist, I believe you've described all the attributes of a racehorse.