Fredrick William Kortman & Hulda Matilde Sophia Erkfitz 
They had a daughter named Gertrude Lillian.
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Children
Gertrude Lillian Kortman
Gertrude Lillian was born on September 20th, 1900 in Belknap Township, Michigan. She died at the age of 92 on May 23rd, 1993 in Rogers City, Presque Isle County, Michigan.