Dennis Cletus Riesgraf, 68, of Duluth, passed away peacefully on Tuesday April 6, 2021 in Duluth. He was born in New Prague, MN on February 5, 1953 to Cletus and Mary Riesgraf. Dennis grew up in Belle Plaine, MN, graduated from Belle Plaine High School in 1971 and Winoa State University in 1975. He married Nancy L. Soller on June 14, 1975 in Belle Plaine. Dennis and Nancy moved to Hibbing, MN in 1975 where they lived and worked until moving to and residing in Duluth since 2019. He taught Mathematics and coached sports at Buhl and Mt. Iron High Schools.
Dennis is preceded in death by his parents and three brothers.
Dennis is survived by his wife of 45 years Nancy, children Nicholas (Danielle) and Kristin Riesgraf, a grandson Dennis Riesgraf, sisters Phyllis Kalal, Diane Riesgraf, Avis (Ron) Lansing, Verena Riesgraf Walden, and Jeannie (Kevin) Krueger.
Private Family Services will be held. Burial will be in Forest Hill Cemetery Duluth. Arrangements by Dougherty Funeral Home. 600 E. 2nd St. Duluth, MN 55805. 218-727-3555. Memorials in Dennis’s name are preferred to the Alzheimer’s Association 7900 W. 78th Street, Suite 100, Edina, MN 55439 or Parkinson’s Foundation. Parkinson’s Foundation Minnesota & Dakotas Chapter Attn: Donor Services
200 SE 1st Street, Suite 800, Miami, FL 33131.
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