Diane Gordon Chladni, 68, of North Catasauqua, died Feb. 15, 2026, in St. Luke’s Hospital-Bethlehem. She was the partner of John T. Chladni for more than 30 years.

Born in Bethlehem, she was a daughter of the late Robert and Joan (Steigerwalt) Gordon.

She was a graduate of Northampton Community College.

She worked as an office manager for Dr. Alexander and later, for many years, as a large claims processor for Guardian Life Insurance Company until retiring.

She was a member of Advent Moravian Church, Hanover Township.

In addition to her husband, she is survived by a son, Christopher Fegley with Stephanie; three brothers, Scot Gordon with Ann, Eric Gordon with Deborah and Craig Steigerwalt with Sue; a sister, Christine Gonzalez with Chris; and two grandchildren, Kenneth Fegley and Abigail Fegley.

Contributions may be made to the church, 3730 Jacksonville Road, Bethlehem, 18017.

Arrangements were made by James Funeral Home, Bethlehem.