Dennis E. Challman, III, died July 21, 2013 in OSF St. Anthony Medical Center surrounded by his family. Born December 31, 1983; son of Margaret (Nelson) and Robert Lancaster and Dennis E. Challman, Jr. Worked as a self-employed auto mechanic. He enjoyed working on any vehicle he could get his hands on. Dennis loved to be outdoors and spending time with his son and best friend Christopher.Survivors include his children Christopher and Emma Challman; mother Margaret (Robert) Lancaster of Poplar Grove, father Dennis E. Challman, Jr. of Hartford, Connecticut; siblings Alicia (Travis) Huff, Kelsey Lancaster, Brandon and Heather Challman; grandparents, aunts, uncles, cousins, and nephews; girlfriend Nicole Reyes. Predeceased by his maternal grandparents Frank and Audrey Nelson.

In lieu of flowers memorials may go to the family.