Dorothy R. Koester; loving wife of Donald Lee Koester; dear daughter of the late John H. and Anna H. Streib; devoted mother of Kathy (Bob) Roberts, Susan Mueller, and Donald Koester; cherished grandmother of Brian Roberts, Amanda Roberts, Laura Noble, Jennifer Noble, and Jared Mueller; dear sister of Ann Doerner, and the late Harold Streib; and loved by many nieces, nephews, and friends. Memorials may be made to American Heart Association.