"Not if you take on two wives and sire more children with them. Draco may only need to be with the one mate, but he can have two in case he marries a male and he would require someone to carry his children going forward," Dracnar explains. "All you will need to do is annul every single physical tie you’ve had with Narcissa, which will spell the end of your marriage to her, but it won’t cut away from whatever she provided financially, all that will belong to you and Draco respectively.