Earl Koch, 83, of Bethlehem, died April 28, 2020, at home. Born in Bethlehem, he was a son of the late Mildred (Pearson) and Frank Koch. He was the husband of the late Theresa C. (Potoski) Koch for 47 years.

He was in the U.S. Army during the Korean War.

He was a heating and air conditioner technician for Reilly Oil. He was retired from the Bethlehem Area School District.

He was a member of various social clubs throughout the Lehigh Valley.

He is survived by his children, Diane Fenstermacher and Rene Lilly, Nicholas E. Koch, Denise Koch-Demyan and her husband James, Earl R. Jr and his wife Denise and Michael A. and his wife Debra; two brothers, Richard and Norman Koch; grandchildren; and great -grandchildren

He was predeceased by eight brothers; and three sisters.

Arrangements were made by Connell Funeral Home Inc., Bethlehem.