Ronald C. Lanze Sr., 84, of South Whitehall Township, died June 23, 2025, at Lehigh Valley Hospital-Cedar Crest. He was the husband of the late Marie A. (Szilezy) Lanze for 62 years.

He was the son of Donald and Arlene (Heil) Lanze.

He was a veteran of the U.S. Navy.

He was employed by United Parcel Service before retiring in 1995.

He is survived by five daughters, Deanna Shisslak with Jeff, Donna Remaley with Kent, Christina Toth with Bob, Alicia and Gina McKelley with Sean; four grandchildren, Ashley with Matt, Jeffrey with Danielle, Natalie with Brian and Madison; six great-grandchildren, Liam, Ellie, Cora, Landon, Kennedy and Callum; a daughter-in-law, Tracy; brothers and sisters-in-law; cousins; nieces; nephews; extended family; and friends.

He was predeceased by a son, Ronald Jr.; and a son-in-law, Brian Maehrer.

Contributions may be made to St. Joseph the Worker Catholic Church, 1879 Applewood Drive, Orefield, 18069, or to Sanctuary at Haafsville, 901 Nestle Way, Breinigsville, 18031, or at thesanctuarypa.org.

Arrangements were made by Gilbert Funeral Home Inc., Whitehall.