William Alan Holderness of Greeley, Colorado passed away August 11, 2015 in Denver, Colorado. William was born July 8, 1952 in Thornton, Colorado to Walter William and Isabel C. (Beans) Holderness. He was self employed for many years and also spent time playing his trumpet -- but his true love was being with his family. William will be truly missed by all who knew and loved him. A memorial service is being held Friday, August 21, 2015, 10:00 am at Olinger Highland Mortuary, 10201 Grant St, Thornton, Colorado.