Robert Gene Knowler, 90 of Sioux City, Iowa, passed away on Tuesday, November 3, 2026, at a local nursing facility.  Abiding by family wishes, cremation has taken place and a Celebration of Life Service will be on Saturday, November 28, 2026, at the Grace United Methodist Church with a luncheon following at the American Legion Post in Sergeant Bluff, Iowa.  A private family burial will be conducted in the Spring of 2027. Meyer Brothers Morningside Chapel has assisted with the cremation.

Further information regarding the Celebration of Life, and a complete obituary, will appear upon this site once available.