How does one become a Wiccan?
Some traditions of Wicca require family or tribal connection between members, most do not. In general you do not have to be born a Wiccan any more than you must be born a Christian or a Buddhist. You can become Wiccan by practicing Wicca. Read this web site, other web sites and books. Question the information you receive and make up your own mind. There are a lot of sources out there that rely more on good marketing than good information.