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Carl Frederik August Koch, occupation: Hoogleraar
to: Adelheid Rothschild, birth Keulen, Rheinland, Duitsland, died 11 Feb 1902 Groningen, Groningen, Nederland, daughter of Leo Rothschild and Bertha Heller |
| 1) Carl Frederik Koch, birth 30 Apr 1890 Groningen, Groningen, Nederland |
| 2) Paul Koch, birth 18 May 1897 Groningen, Groningen, Nederland |