 A person is eligible to register a membership with the group if he or she proposes in writing 1) a desire to register, 2) an agreement with the group promise to "remember the Salem Witch Trials and its participants by associating their families and preserving their lineages," "share commercial, genealogical and historical information about the trials and its participants," and "educate others about [the] group and promise," and 3) a name, city of residence and contact information.The person won't be charged a registration fee, may use the postnominal abbreviation "MBoS," and may request at any time to cancel or change the registration.A person is eligible to register a descendant membership with the group if he or she is otherwise eligible to register a membership and proves beyond doubt his or her descent from or relationship to one or more participants of the trials with lineages showing detailed descendancy.