From: Star Trek: The Next Generation
Caption: The Bringloidi arrive aboard the Enterprise-D
Planet: Bringloid V (Earth colony) . Simple but lusty descendants of the utopian Neo-Transcendentalists who set out from Earth in 2123 aboard the colony ship S.S. Mariposa during the lingering post-World War III chaos. On stardate 42823.2, the Bringloidi were forced to abandon Bringloid V due to the sun's increasing flare activity. They eventually were reunited with the cloned descendants of the high-tech colonists they originally set out with who needed fresh DNA to survive the threat of replicative fading. To be viable, both groups gave up monogamous marriage, requiring that each female bear three children by three men.