Marie Lois Ronstadt, nee Hammer; beloved wife of the late Elmer C.; loving mother of Andy (Denise), Sharon (Lance) Stickles, Scott (Nikki) and Dave (Tracy); cherished grandmother of Andrew, Heather, Theodora, Maria and Basili; dearest sister of John Charles (the late Gloria) Hammer; fond aunt of Susan (Jordan), John (Janice) and Sandie.  Visitation, Wednesday, April 11 ^th at Kolbus-May Funeral Home 6857 W. Higgins Ave., Chicago from 10 a.m. until a Celebration of Life Service at 4 p.m.  Interment will be held private.  For information 773-774-3232 or www.kolbusmayfh.com