Hall, Amy (Johnnie) Willis, Michael Holtgrewe, Jason (Kelsey) Holtgrewe, Jared (Stacy) Holtgrewe, Catherine (Chris) Murray, Jenny (Phillip) York, David (Sarah) Holtgrewe, Mary Holtgrewe; 10 great grandchildren; and 2 sisters, LaVon Engel of Longmont, CO, Gerry (Geraldine) Schumacher of Lafayette, CO. She was preceded in death by her parents, step father Ernest J. Schumacher, a son Brad, a great granddaughter Harlyn Dusty Holtgrewe, a sister Margie Hallett, and a brother Al Nothem. According to her wishes, her body will be cremated. A memorial service will be held at a later date. Burial will be in the Remsen Cemetery in Remsen, Iowa. A memorial fund has been established for the Alzheimer's Association and the First Presbyterian Church in Spirit Lake. The Olson-Powell Memorial Chapel is caring for Lois and her family.