Robert E. Deffner was born in Wichita, KS on November 28, 1945, to Ernest and Alice Deffner. He returned home to be with the Lord Jesus on August 28th, 2026, in Wichita, KS. 

Robert served in the Navy from 1963-1966. While in the Navy, Robert went on retrieval missions for NASA. After serving in the Navy, Robert worked in aircraft manufacturing and later as an HVAC technician. He later worked at an accounting firm as a beta tester for their financial database. He was a founding member of St. Andrews Lutheran Church and taught confirmation classes. He enjoyed swimming, building personal computers, and watching Westerns and NCIS. 

Robert is survived by his wife of nearly 45 years Georgiana Deffner, sons Robert Sharp (Yvonne), Tracy Sharp, Matthew Deffner (Elizabeth), and Timothy Deffner. 

He is preceded in death by parents and sister Judy Curtin Mobley. 

Services will be at St. Andrews Lutheran Church. Visitation will be from 12:00pm-1:00pm. The memorial service will be at 1:00pm with a graveside service following at 2:00pm at Wichita Park Cemetery. 

Memorial donations may be made to St. Andrews Lutheran Church.