Dennis Niedermann Obituary
It is with sadness that the passing of Dennis Niedermann (Derby, Kansas) is shared. Dennis, born on August 8, 1962, passed away on August 27, 2026. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
He was predeceased by: his parents, Robert Niedermann and Lois Niedermann; his stepsons, Michael and Kristopher Olivarez; his sister Susan Thieme (Dale); and his nephew Logan Kostner.
He is survived by: his wife Vicky; his son Severo Olivarez IV; his grandchildren, Brianne Brink Hackler, Michael Olivarez, Callie Brink, Arilyn, Logan and Peyton Hackler; and his sisters, Marsha Taylor (Bill), Denise Niedermann and Shondra Kostner (Adrian). He is also survived by numerous nieces and nephews, great-nieces and great-nephews.
A funeral service was held on Monday, August 31st 2026 at 2:30 PM at the Smith Family Mortuaries (1415 N Rock Rd, Derby, KS 67037).
In lieu of flowers, the family kindly requests that donations in Dennis's memory be made to the American Cancer Society (https://donate.cancer.org), an organization dear to his heart.
