Thomas D. Tanis, age 93, of Crete, IL passed away peacefully Monday, May 23, 2016. Beloved husband of the late Dorothy Tanis, nee Barth. Loving father of Dolores (Donald) Treadway and Patricia (Gilbert) Swets. Proud grandfather of Rick (Cindy) Eriks, Mike (Penny) Eriks, John Swets, Tom Swets, Cyndee (Tim) Breshock, and Mary Beth (Jason) Westgor. Great-grandfather of 12. Preceded in death by a grandson: Daniel L. Eriks and 1 brother and 2 sisters. Visitation Thursday, May 26, 2016 from 9:00 a.m. until the time of the funeral service at 11:00 a.m. at Smits Funeral Home 2121 Pleasant Springs Lane, Dyer, IN 46311 with Rev. Adam Landkrohn officiating. Interment Skyline Memorial Park - Monee, IL. For further information, please contact 219-322-7300 or visit our online obituary and guest book at www.SMITSFH.com.