Dr. Robert C. Koehn, Jr., age 91, of Clarksville, passed away on Saturday, November 16, 2019. A Celebration of Life will be held at 2 p.m. on Wednesday, November 20, 2019, at McReynolds-Nave & Larson Funeral Home with Rev. Susan Thompson officiating. The Koehn family will receive friends from 11 a.m. until the hour of service. He will be laid to rest at Greenwood Cemetery. Robert entered into this life on March 7, 1928, in Los Angeles, CA, son of the late Robert Koehn, Sr. and Lucille Marie Koehn. He retired after 49 years as an Obstetrician/Gynecologist. He was a member of Madison Street United Methodist Church and an Air Force Veteran. He loved playing golf and flying his airplane. In addition to his parents, he was preceded in death by his loving wife, Martie Lottie Koehn, and brother, Charles “Chuck” Koehn. Survivors include his children, Larry (Katie) Koehn, Robert (Debbie) Koehn III, and Lisa Jarrell; grandchildren, Mark (Jill) Jarrell, Melanie Sites, Robert C. Koehn IV; and five great-grandchildren. Family and friends will serve as pallbearers. In lieu of flowers, donations may be made to St. Jude’s Children’s Hospital at www.Stjude.org Online condolences may be made at www.Navefuneralhomes.com