Lois Germaine Josephine Zerwas Jurgens (August 12, 1925 – May 7, 2013) was an American convicted murderer responsible for one of the most unusual child murder cases in history in Minnesota. She was the adoptive mother of six children in the 1960s and 1970s, and brutally abused them all, killing one of them, 3-year-old Dennis Jurgens, in 1965.