Diana Lucille Heyer

Diana Lucille Heyer, 86, of Dell Rapids, South Dakota, passed away at Dells Nursing and Rehab Center on September 29, 2026.

Memorial services will be held at 11:00 AM on Saturday, October 17, 2026 at Second Presbyterian Church in Flandreau, South Dakota. Visitation will be held from 5:00 PM to 7:00 PM on Friday, October 16, 2026 at Skroch Funeral Chapel in Flandreau, South Dakota.

Diana Lucille Heyer was born on October 11, 1939, to William and Alma Krogman at Flandreau, SD. She attended Durland and Tidd Country Schools and was an 8th grade graduate from Spafford Elementary School. She graduated from Flandreau High School in 1957 and from the Executive Secretarial Course at Nettleton Commercial College in Sioux Falls in May, 1958. After working for a year at Brookings International Life and Casualty Company in Brookings, she moved to Denver where she was employed in various positions of the secretarial field, including Assistant Secretary to the Governor of Colorado, as well as supervisory and fiscal management positions.

She was married to Vernon D. Heyer from Colman, SD, on December 26, 1969. They made their home in Denver until they moved to Colman in 1977, where they owned and operated “Diana’s Chuckwagon”. After the death of her husband, she moved back to Denver. She retired in 1999, after 32 years of public service in the Colorado Department of Natural Resources. After retirement she moved to Coon Rapids, MN, to be close to her children, and in 2019 she moved to Dell Rapids where she was living at the time of her death.

Diana enjoyed playing golf, football (avid Denver Broncos fan), antiquing, reading, travel, genealogical research and volunteering at Grace Lutheran Church in Coon Rapids and at the Moody County Historical Society in Flandreau. She was a member of the Lake’s Edge Home Owner’s Association, Ancestry.com, the American/Schleswig-Holstein Heritage Society, and the Colman Birthday Club, Flandreau Christian Women’s Connection, and the Egan Ladies Alumni Luncheon. She attended the Lutheran Church of Dell Rapids.

She is survived by her son Bruce (Valerie) Heyer, Lakewood Ranch, Florida, her grandson William Heyer of Minneapolis, MN., her sister, Elaine (Ron) Hammer, Flandreau, and her sister-in-law, Mary Krogman, Custer, SD., and numerous cousins, nieces and nephews, including six of her seven Godchildren, Les Pedersen, Mike, Travis and Alex Ustanko, Stephinie Rodriguez and Jack Wolfhorse . She was preceded in death by her husband Vernon, her parents, her sisters Fern Pedersen and Shirley Chamley, her brothers William and Roger Krogman, her nephews Robert and Douglas Pedersen and William Krogman, Jr., and her niece, Marsha Ustanko, as well as many aunts, uncles and cousins.