Clyde was born December 23, 1929 at Alpena, South Dakota, the son of Carl and Tillie Kopfmann. He grew up at Alpena, graduated from high school, and attended college. Clyde started out farming in the Alpena area and then worked in the insurance industry. He was an active member of the Kingdom Hall in Sioux Falls for many years. Clyde was 81 when he passed away Monday, April 25, 2011 at the VA Medical Center. Clyde is survived by his children, Kyle (Ann) Kopfmann, KS, Lory (Joel) Kludt, Sioux Falls, Jeff Kopfmann, AZ, Julie (Andy) Elliot, MN, Steve (Vonda) Kopfmann, AZ, Lisa (Brian) Black, AZ; 10 grandchildren, 9 great grandchildren; brothers, Orville (Hilda) Kopfmann, MN, Floyd Kopfmann, Huron, SD; sister, Esther (Calvin) Neuharth, Huron, SD.