For 10 points, name this group that broke with the Lutherans over a certain sacrament reserved by this group for adults but administered by other Protestants and Catholics to infants.
After the execution of this group's leader Michael Sattler, this group accepted the Schleitheim Confession as their official doctrine. One faction of this group legalized polygamy when John of Leyden took over Munster and introduced this group's doctrines as the town's law. This group included the Zwikau Prophets, initiated the (*) Radical Reformation, and saw a subdivision founded by Dutch ex-priest Menno Simons. This denomination, which includes Mennonites and the Amish, divides its namesake practice into "spirit" and "fire" types in addition to the usual "water" form. For 10 points, name this group that broke with the Lutherans over a certain sacrament reserved by this group for adults but administered by other Protestants and Catholics to infants.
After the execution of this group's leader Michael Sattler, this group accepted the Schleitheim Confession as their official doctrine.
{Anabaptists}