Robert B. Hadeler passed away August 28, 2023 in Carrollton, Texas. He was born June 2, 1935 to Henry B. Hadeler and Frances (Rodgers) Hadeler in San Antonio, Texas.
He grew up in San Antonio and graduated from Brackenridge High School. Following graduation he served his country proudly in the United States Army. Robert earned a Bachelor of Science degree from the University of Texas at Austin. Robert married Janet Leah Schreiber November 12, 1960 in Mason, Texas. He was a project manager in the IT and networking industries at Boeing Co, General Electric, and most recently Kintetsu. He was a member of Resurrection Lutheran Church in Plano, Texas.
Robert is survived by his wife, Janet Hadeler; Children, Steve Hadeler of Frisco, Texas, Meredith Barnes of Austin, Texas, and Jennifer Hadeler of Plano, Texas; grandchildren, Vanessa Burrows, Athena Keesee and husband, Daniel, Logan Barnes, and Brett Havens; great grandchildren, Jeremy Sorensen, Jr., Emily Burrows, Daria Keesee, Rocky Keesee, and Minerva Keesee.
He was preceded in death by his parents and sister, Janet Hadeler.
A funeral service will be held 1:00 p.m. Saturday, September 2, 2023 at Resurrection Lutheran Church 1919 Independence Parkway, Plano, Texas 75075. The family will receive friends during a visitation from 7:00 p.m. – 9:00 p.m. Friday, September 1, 2023 at Turrentine-Jackson-Morrow Funeral Home 2525 Central Expressway North, Allen, Texas 75013.