Gertrude A. Kostelyk, nee Rottschafer, age 63, beloved wife of James J. Kostelyk. Loving mother of Daniel (Angie) Staat, Kimberly (Mike) Stoub, James Jr., and Joel (Jane) Kostelyk. Dear grandmother of twins Brian and Evan, Andy, Hannah Staat and Kayla Stoub. Fond sister of Lois (Ben) Bosman and Pearl (Ron) Den Hartog. Dear daughter-in-law of Stella Kostelyk. Visitation Tuesday 3-9PM at Colonial Chapel 15525 S. 73rd Ave. (155th/Wheeler Dr. & Harlem) Orland Park. Lying in state Wednesday at Covenant Orthodox Presbyterian Church 9340 W. 147th St. Orland Park from 10:00 a.m. until time of the Funeral Service at 11:00 a.m. Interment Mt. Vernon Memorial Estates, Lemont, IL. Memorials to Southwest Chicago Christian Schools preferred. Info 708-532-5400.