Sixteenth-Century Dreamers: Latter-Day Sacraments of Sexual Utopia From 1531 One of the antecedents of Mormon polygamy began early in the Protestant Reformation, in marriage.” The Muenster “restoration prophet” John Bockelson, his nemesis Martin Luther, 1531, as German “Dreamers” practiced reciprocal spouse exchange called “spiritual Henry VIII, John Milton, and others imagined alternative marriage practices that …