Margaret Gronefeld, of St. Charles, Missouri, died on Saturday, April 14, 2012 at the age of 87. Dear daughter of the late Frank and Anna Gronefeld; cherished aunt of Larry (Rosie) Horstmeier, Barbara Horstmeier and the late David Horstmeier; great-aunt of Greg (Dolores) Horstmeier, Jeffrey Horstmeier, Tracey (Reggie) Jensen, Michael (Dana) Horstmeier, and Matthew (Robin) Horstmeier; great-great aunt of Megan, Michelle, Alyssa, Aubrey, Hayden, Madison, Dylan, Bryant, and Brody; and great-great-great aunt of Natalya; and dear sister of the late Wilma (Herbert) Horstmeier. She was also loved by many other family and friends. Margaret worked alongside her family at the family farm for over 40 years. She was a long time member of Friedens UCC Choir. Memorials may be made to Friedens U.C.C. Building Fund or Five Acres Animal Shelter.