DAKOTA DUNES, S.D. | Dr. John Paul Zortman, 74, of Dakota Dunes, passed away Sunday, Feb. 21, 2016, at a Sioux City hospital, surrounded by his loved ones.

Services will be at 10 a.m. Saturday at St. John's Catholic Church in Onawa, Iowa, with the Rev. Mark Stoll officiating. Military honors will be conducted at the church by the American Legion David McNeill Post 129 and Monona County V.F.W. Post 2694. Visitation will be from 6:30 to 8:30 p.m. Friday, with a Scriptural wake service at 7:30 p.m., all at the church. Arrangements are under the direction of Root Funeral Home in Onawa. Online condolences may be expressed at www.rootfuneralhomes.com.

John was born Jan. 15, 1942, in Onawa, the son of Howard P. and Helen B. Zortman. He was raised on the family farm just north of Onawa and graduated from Onawa High School in 1960.

John married Landra Kay Lynn on March 3, 1962, at St John's Catholic Church in Onawa. He served as an aircraft crew chief with the Iowa Air National Guard for seven years (1962-1969), and was a U.S. Air Force veteran with one active duty tour in Vietnam. Upon returning in 1971, he attended and graduated from Palmer Chiropractic College in Davenport, Iowa, where he was elected vice president of his graduating class. He practiced chiropractic medicine in the Sloan, Onawa and Mondamin, Iowa, area for 43 years.

Through the years, John enjoyed fine woodworking, home construction, rebuilding custom cars, spending time with immediate family, and farming with his father on the family farms. He was a member of St. John's Catholic Church in Onawa and proudly served as a member of the Knights of Columbus.

Survivors include his wife, Landra of Dakota Dunes; three daughters, Tammie Zortman DeAnda of Dakota Dunes, Melissa (Randy) Richardson of Springfield, Va., and Teresa Gardner of Salado, Texas; five grandchildren, Dena DeAnda, Ashley Fine, Aubrey Richardson, Connor Matthews, and Mattison Matthews; three great-grandchildren, Tatum Taylor, Harper Taylor, and Maxwell Fine; one sister, Judith (Thomas) Daugherty of Cape Coral, Fla.; and two brothers, Jerome (Linda) Zortman of Johnston, Iowa, and Jason (Roxie) Zortman of Sioux City.

In addition to parents, he was preceded in death by an infant sister, Jacqueline Zortman.

Memorial contributions may be directed to June E. Nylen Cancer Center in Sioux City.