Kay L. Nietzel, nee Vander Woude, age 66, beloved wife of Donald F. Nietzel, Sr. Loving mother of Jamie Kostelyk, Jason (Dee) Kostelyk, Cornelius (Kathy) Kostelyk, and Louise (Michael) Worley. Cherished grandmother of Britney (Chris) Blackman, Phillip Kostelyk, Joshua Kostelyk, Jesse Kostelyk, Jada Kostelyk, Calvin Kostelyk, Caleb Kostelyk, Sienna Kostelyk, Ella Worley and Abigail Worley. Dear sister of Larry (Nancy) Vander Woude and the late Karen (John) Boeringa. Retired NICU nurse with over 30 years of service. Visitation Monday, December 18, 2017 3-8 PM. Funeral Service Tuesday, December 19, 2017 11:00 AM at Colonial Chapel, 15525 S. 73rd Ave. (155th/Wheeler Dr. & Harlem) Orland Park, IL. Interment Private. Memorials to Riley House, 511 Otis Bowen Dr., Munster, IN 46321 are appreciated. Express your thoughts and condolences at colonialchapel.com 708-532-5400