Donald was born on Sept.21, 1941 in Madison, the son of Lester and Lila (Miller) Grueneberg. He graduated from Madison West High School in 1960. After graduating high school, Don faithfully served his country in the United States Navy from 1960 to 1964. He married his loving wife Gloria “GG” Klug-Ward on May 12, 1984 in Sun Prairie, and the two enjoyed 33 years of marriage together. Don worked as a steamfitter for Union Local #394, retiring in 1996. Don loved spending time with his family.