Jacob married Anna UNRUH. Anna was born about 1804.
They had the following children:
2 M i Andreas J KOEHN was born 6 Apr 1822 in Volhynia. 3 M ii Peter J KOEHN was born 5 Dec 1826. He died 2 Feb 1962 in McPherson, Kansas. + 4 M iii Abraham J KOEHN was born 24 Jun 1829 and died 20 May 1910. 5 F iv Maria KOEHN was born 5 Mar 1831 in South Russia. She died 4 Mar 1918 in Moudridge, Kansas. 6 M v Heinrich J KOEHN was born 7 Jun 1835 in Karolswalde, Volhynia. He died 26 Aug 1875 in Dalton Twp, South Dakota. 7 M vi Cornelius J KOEHN was born 25 Nov 1837 in Volhynia. He died in unkown. 8 F vii Sarah KOEHN was born 4 Mar 1843 in South, Russia. She died 31 Mar 1916 in Menno, Oklahoma.
Sarah married Jacob J BECKER. Jacob died about 22 Nov 1900.+ 9 M viii Benjamin J KOEHN was born 12 Dec 1843 and died 27 Jan 1922.