Nicole Ketterling
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George August Ketterling
1898-1954
1898-1954
Karolina Guthmiller
1900-1994
1900-1994
August Schäffer Schaffer
1897-
1897-
George G. Ketterling
1926-2011
1926-2011
Irene Christina Schaffer
1926-2002
1926-2002
Gene George Ketterling
1954-2005
1954-2005