Theresa Marie Hanson Grosvenor joined heaven on February 4, 2026, after nearly six years of courageously battling terminal cancer.

Born on October 20, 1963, in Las Vegas, Nevada, Theresa grew up in Elk Point, South Dakota, and was a proud graduate of the University of South Dakota. She later found her true home in the Iowa Great Lakes, where she became an Okoboji lover and an Arnolds Park superhero…