Marc Lee Niernberg 73 years old, passed away peacefully on September 4, 2019 from a rapid progression of cancer at Denver Hospice. He is survived by his mother Melba Niernberg; his two brothers and their families - Michael and Susan Niernberg; Denny Niernberg and Trudy Rubinson; and his two step-daughters and their children - Jennifer, Durand And Talia Cosca, and Michelle Seewald and her son Jacob Schreiner. He is also survived by a loving extended family and circle of friends. Graveside Services will be held at 11:00am on Friday, September 6, 2019 at Rosehill Cemetery, 6841 E. 62nd Ave, Commerce City, CO. Donations to St. Jude Children’s Hospital or Shriners Hospitals.