Assuming Correll Minnesota is the right track for getting hold of family/relatives of Pansch, this website lists contact info for Correll's City Hall, politicians (2 with email addresses), and Post Office. Considering how small the population is and the general niceness/helpfulness of people in tiny, rural Minnesota towns, one of them might be able to put you in contact with the family.
https://www.lakesnwoods.com/Correll.htm