Robert “Bob” K. Koontz, age 75, of Lansing, IL, went home to his Lord and Savior on Monday, November 4, 2024. Beloved husband of Janet Koontz, nee Van Baren. Loving father of Robert (Jill) Koontz, Shannon Koontz, Tracy (Manuel) Montalvo, and Kristopher (Kathleen) Koontz. Devoted grandfather of Ryan (Mallory) Koontz, Kaylynn Koontz, Hailey Montalvo, Jenna Rae Koontz, Logan Montalvo, and Hailee Teller. Dear brother of Carol (late Donald) Klawitter. Brother-in-law of Alice (late John) Dykshorn, Frank (Sharon) Van Baren, Michael (Charlene) Van Baren, and the late Mark Van Baren. Uncle of many nieces and nephews. Preceded in death by his parents Robert and Clara Koontz and his parents in-law Michael and Eunice Van Baren. Bob was a United States Navy Vietnam Veteran. He was a retired Toolmaker and was an avid outdoorsman and golfer. He was loved by many and will be missed by his family and friends. Visitation Sunday, November 10, 2024 from 3:00 – 8:00 p.m. at Smits Funeral Home, 2121 Pleasant Springs Lane, Dyer, IN. Funeral service Monday, November 11, 2024 at 10:00 a.m. at Peace Protestant Reformed Church – 14864 101st Ave., Dyer, IN. Interment Abraham Lincoln National Cemetery – Elwood, IL. Memorial contributions may be given to Protestant Reformed Christian School – Special Education Fund. For further information, please contact 219-322-7300 or visit our online guestbook at www.SMITSFH.com