Casteel, Lavonda Jean (née: Adams), of O'Fallon, Missouri, died on Saturday, March 10, 2012 at the age of 77. Loving wife of the late Ernest Casteel; beloved daughter of the late Clifford and Wilma Adams Rinehart; devoted mother of Gary (Judy) Valleroy, Robert Keeling, and Patricia (Michael 'Pete') Pfister; cherished grandmother of 8 grandchildren and 11 great-grandchildren; dear sister of Willa Dean (Thomas Dean) Overton, Constance Mize, Karan Frazier, and David (Donna) Adams; and beloved aunt and friend. She is preceded in death by her brother, Robert Adams; and great-grandchild, Matthew Keeling. Memorials may be made to the Alzheimer's Association.