The Brethren are a number of Protestant Christian religious bodies using the word "brethren" in their names. In some cases these similarities of name reflect roots in the same early Brethren groups, and in others the adoption of "Brethren" as part of the name reflects an independent choice to evoke the concept of religious brotherhood (especially fraternal religious or military orders). Schwarzenau Brethren groups The Schwarzenau Brethren groups originated in 1708 in Schwarzenau, Germany, in… (More on Brethren)