Lois C. Oostema, nee Pikkula, age 83, beloved wife of the late John R. Oostema (2002). Loving mother of George (Grace) Oostema, Debra (Kent) Burghgraef and Barbra (Dennis) Brouwer. Cherished grandmother of George R. (Ann), Greg (Laura), Gina Oostema; Scott (Britainie), Brent, Keith, Chad Burghgraef; Joel, Kyle, and Eric Brouwer. Dearest great-grandmother of seven. Survived by her sisters-in-law Marge Van Tholen, Vi Oostema, and Clara Oostema. Dear aunt of many nieces and nephews. Visitation Wednesday, March 14, 2012 from 3-8 PM. Funeral Service Thursday, March 15, 2012 10:00 a.m. at Colonial Chapel 15525 S. 73rd Ave. (155th/Wheeler Dr. & Harlem) Orland Park, IL. Interment Chapel Hill Gardens South. Memorials to Calvin Christian School, Timothy Christian Schools, or Southwest Chicago Christian Schools appreciated. Express your thoughts and condolences at www.colonialchapel.com 708-532-5400