Robert Kay Duncan, 76, passed away on December 16, 2013 in Cedar City, Utah. He was born on November 23, 1937 to Calvin A. and Arba Brady Duncan in Rigby, Idaho. He had three brothers and one sister. He married Bonnie Mae DeGraw and they had six children. Robert served in the U.S. Army Artillery as a specialist 3rd class. He was a member of the Church of Jesus Christ of Latter-day Saints. He retired from being a professional Truck Driver. He always made everyone he loved and came in contact with, laugh. Robert is survived by his wife, Bonnie, his children Blake Calvin (Terri) of Taylorsville, UT, Angela Kieffer (Eric) of St. George, UT, April Jackson of Kearns, UT, Bonnie Kaye of Cedar City, UT and Kim Harold (Anna) of Enoch, UT, seven grandchildren, three great-grandchildren, his brothers Boyd Ace Duncan and Ray Dean Duncan and his sister Lynne Davidson. He was preceded in death by his parents Calvin and Arba Duncan, his brother Junior Duncan, his son Curt Robert Duncan and a grandson Jaramiah David Smith. Services will be held on Thursday, December 19, 2013 at 11:00 a.m. at the Mountain View Chapel (370 North 4050 West, Cedar City, UT). A viewing will be held prior to services from 9:30-10:30 a.m. on Thursday, December 19, 2013 at the church. Interment will be Friday, December 20, 2013 at 2:00 p.m. at Valley View Memorial Park in West Valley, UT under the direction of Southern Utah Mortuary.