John B. Klaus III, age 57, died March 28th, 2021. Beloved son to John (Jack) B. Klaus Jr. and Mary Diane Klaus nee Heffernan. Beloved brother to Kate Klaus (the late David Miller), Ann (John) Feldkamp, Margaret (Daniel) McKenna, and Amy (Dave) Palmeri. Loving uncle to Katy (Cody) Rank, Janie Feldkamp, Erin Feldkamp, Robert Feldkamp, Grace Feldkamp, Greta Klaus, Louie Klaus, Olivia Feldkamp, Joseph McKenna, Matthew McKenna, Molly Palmeri, and Ryan Palmeri. Fond nephew to many aunts and uncles. Cousin "Johnny" to all. John worked for the Library for the United States Court of Appeals for the Seventh Circuit for over twenty-five years. John loved to read, ride his bike, travel, run marathons, be with his family and friends, and watch the White Sox. He was generous to a fault. Visitation will be held at G.L. Hills Funeral Home, 745 Graceland Avenue, Des Plaines, Illinois from 9am-10:30am on Tuesday, April 6, 2021. Funeral Mass to follow at 11:00am at St. Mary's Catholic Church, 794 Pearson St, Des Plaines, Illinois. Please celebrate John on his virtual memorial page https://www.gatheringus.com/memorial/john-klaus/7076 and in lieu of flowers, please make a donation to Lakeview Food Pantry there. Funeral care provided by G.L. Hills Funeral Home and Cremation Center. For information, please call 847-699-9003 or visit www.glhillsfuneralhome.com.

Due to the current COVID situation, occupancy in the funeral home will be limited to 45 guests at one time. Masks will be required and hand sanitizer will be provided. For those who cannot attend services in the church due to COVID restrictions, the funeral Mass will be live-streamed at The Beacon Tap, 1374 Lee St, Des Plaines, IL, where family and friends will convene to celebrate John. Thank you in advance for your cooperation.