John B. Gertz, age, 79 of Merrillville, IN passed away on Sunday, June 6, 2010. John is survived by his wife, Aida; 4 children: John J. Dawn Gertz, Merrillville, Ann Cab Dixon, Crown Point, David Nikki Gertz, Hebron, Mark Gertz, Chicago, IL; sister, Clara Coppinger; grandchildren: Tiffany and Dustin Gertz, Kirsten, Jessica, Samuel, Morgan, Benjamin Dixon, Matthew and Daniel Gertz, and Chloe Purchla-Gertz. He was preceded in death by his parents, Timothea and John Gertz; brother, Donald Gertz. A Mass of Christian Burial will be held Monday, June 14, 2010 at 10:00 AM directly at St. Andrew the Apostle Catholic Church, 801 W. 73rd Avenue, Merrillville, IN with Rev. Lawrence Heeg officiating. Interment to follow at Calumet Park Cemetery, Merrillville. Friends may visit with the family at Geisen Funeral Home, 7905 Broadway, Merrillville, IN on Sunday, June 13, 2010 from 12:00 Noon to 6:00 PM and on Monday morning directly at the church from 9:00 AM until the time of Mass at 10:00 AM. A prayer service will be held at 4:00 PM on Sunday at the funeral home. John was retired from Dixie Dairy. He was a member of St. Andrew the Apostle Catholic Church. John was an U.S. Army veteran and served in the Korean War. In lieu of flowers memorial donations may be given to St. Anthony Hospice, 203 Franciscan Dr., Crown Point, IN 46307. To share a memory or send a condolence to the family, please visit the guestbook section at www.GeisenFuneralHome.com For more information call 219-769-3322.