Anabaptists believe that baptism is valid only when candidates freely confess their faith in Christ and request to be baptized. This believer's baptism is opposed to baptism of infants, who are not able to make a conscious decision to be baptized. Anabaptists are those who are in a traditional line with the early Anabaptists of the 16th century. Other Christian groups with different roots also practice believer's baptism, such as Baptists, but these groups are not Anabaptist. The Amish, Hutterites, and Mennonites are direct descendants of the early Anabaptist movement. Schwarzenau Brethren, Bruderhof, and the Apostolic Christian Church are considered later developments among the Anabaptists.