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Female Katherine Jacoba Koen Click to view Katherine Jacoba Koen in the family tree

Katherine Jacoba was born on June 2nd, 1907.1   Katherine Jacoba's father was Frank Koen and her mother was Sarah Unknown. She had two sisters named Gertrude and Wilma.  She died at the age of 50 on March 3rd, 1958 in Grand Rapids, Mi.1 

Family Details of Katherine Jacoba's family with Martin Jacob DeGraaf

1 phelps2185.FTW
Further source/citation:
World Family Tree Vol. 16, Ed. 1 @ Tree #2185