In loving memory of Donald L. Trooien Sr., born to Oscar and Cora in St. Paul on March 6, 1928. He passed peacefully and joined his wife Patricia on July 16, 2024; their 75th wedding anniversary. Don enrolled at Macalester College on a football scholarship in 1945; his education was interrupted to enlist in the Navy (WWII). He was a City of St. Paul Police Officer, retiring as Captain after serving for 35 years. Don was well respected within the force as a detective, solving numerous homicide cases. As a member of Alcoholics Anonymous, Don guided many fellow officers to sobriety. Don was preceded in death by wife Patricia, his parents, brother Ozzie, and son-in-law John Slagle. Survived by children Timothy (Gayla), Lawrence (Joyce Bowers), Victoria Slagle, Nan (Tom Johnson), Thomas (Chong Ok), Christine (Bill DeRose), Peter (Star), Susan (Roger Ferguson), Patricia (Jan Smith) and Donald Jr. (Denise); 22 grandchildren and 20 great-grandchildren. Don is remembered for his devotion to his family, quick wit, humble demeanor, sparkling blue eyes, and ready smile.<br><br>Please honor his memory by spreading kindness, understanding, and compassion. Visitation: August 12, 4pm to 7pm Wulff Chapel, 2195 Woodlane Dr., Woodbury, MN 55125.<br><br>Mass: August 13 at 10am at Guardian Angels Catholic Church, 8260 4th St. N., Oakdale, MN 55128. Private burial at Fort Snelling National Cemetery. In lieu of flowers, memorials are preferred to Second Harvest.<div></div><br>