You get the feeling they used the word "wives" only because "wenches" would have confused the target audience.

wow the 1030s? william the conqueror must have loved his - probably made it hard to leave home to lead the norman invasion of england!

okay, i think that was enough. =)
Ha ha ha! oops! I meant the 1930's! ;) If you had a Kitchenaid then, I bet people would think you were a witch or sorcerer!