Just wait until the devil media get their hands on this one. (The devil media are the game hating, self doting, no research, old people you see complaining about side boob in Mass Effect.)
According to the Official Xbox Magazine, a new feature enables you to create children with your co-op partner in Fable 3. While you are not busy ruling your kingdom, you will “be able to enjoy, ahem, intimate moments with your co-op friend and eventually produce offspring together,” according to the magazine.
Put this along side of that GameCrush website, and we have a brothel in the making! Just pay the 10 minute fee.