RAPID CITY - William L. DeBoer, 86, Rapid City, died Monday, April 11, 2011, at Rapid City Regional Auxiliary Hospice House. Survivors include his wife, Marilyn L. Morgan- DeBoer, Rapid City; two sons, S. Brett DeBoer, Stockton, Calif., and Jeff DeBoer, Alexandria, Va.; six stepsons, Rick Goerndt, Terri Goerndt, Steve Becker, Mark Morgan, all of Rapid City, Roberty Morgan, Phoenix, AZ, and Stan Becker, Montana; a stepdaughter, Tina Deyo, Rapid City; and two grandchildren. Visitation will be from 5 p.m. to 7 p.m. Thursday, April 14, at Osheim & Schmidt Funeral Home, with a time of sharing at 6 p.m. Services will at 10 a.m. Friday, April 15, at the funeral home, with the Rev. Dale Dewitt officiating. Burial will be at noon at Black Hills National Cemetery near Sturgis, with military honors by Ellsworth Air Force Base Honor Guard. A memorial has been established for Rapid City Regional Auxiliary Hospice House.