Faribault Co. MN is next to Blue Earth Co. where my original KLUENDERfamily was located.My great grandfather was Ferdinand Carl Henry KLUENDER, he had children; Bertha, Wilhelmina or "Minnie", Anna or "Annie", Ernestina, Frank, Frederick,and Helene or "Lena".
Ferdinand has a brother, Carl, in the area, his children were; Ida, Robert, Martha, Otto, Frank J., Anna, Emma, Marie, and Elsa.
Kluender, spelled Klinder, are reportedly in the Kiester area yet today.
My grandmother, Bertha, was married to John Plagemann.
Do any of these names fit in your mother's KLUENDER relation.
I would venture to say any KLUENDER/KLINDER names in the Blue Earth or Faribault Co. MN today would stem from either of these two families.
I do not recognize a Alvin, George, or Wm. Frederick,could this be another brother to Carl and Ferdinand?