A witch has discovered a kind of immortality that is granted with the use of a dark and ancient ritual. By using this spell on herself, she can continuously reincarnate through her own bloodline by using her unborn child as a sacrifice. The spell works through a form of parthogenisis, in which the sorceress conceives and gestates a genetic clone of herself. At the moment of birth, the witch's soul is transferred into her daughter, taking over the body and killing the original host. In this way, she can gaurantee that she will live on through her future descendents.
This witch has been using this method since the middle ages and has lived for hundreds of years. However, with the advent of current technologies, the world is getting smaller. How can she continue to reincarnate without drawing attention?