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Gregory "Greg" Lynn Mahnke
March 27, 1956 — April 5, 2026
Sioux City, IA
Gregory "Greg" Lynn Mahnke
Gregory “Greg” Lynn Mahnke, 70, of Sioux City, IA, passed away April 5, 2026. A graveside service will be held at Grand Meadow Township Cemetery, near Washta, IA at a later date at. Arrangements are under the direction of Waterbury Funeral Service.
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