Johannes Jakob Koster
- 1803(
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- 1 Johannes Jakob Koster [1] d. 4 Feb 1803
- Barbara Katharina Weilacher d. 25 Nov 1802
- 2 Elisabeth Koster [1.1] d. 28 May 1818
- Georg Mayer d. 26 Feb 1820
- 3 Anna Barbara Mayer [1.1.1] b. 11 May 1799 d. 30 Mar 1855
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- 4 Dorothea Mayer [1.1.1.1] b. 31 Jul 1825
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- 4 Joseph Mayer [1.1.1.2] b. 11 Dec 1827
- 4 Peter Mayer [1.1.1.3] b. 11 Dec 1827
- 4 Katharina Mayer [1.1.1.4] b. 21 Jan 1836
- 4 Dorothea Mayer [1.1.1.1]
- + Johannes Peter Flad c. 30 Jul 1805
- 3 Anna Barbara Mayer [1.1.1]
- 2 Maria Anna Koster [1.2] c. 6 Nov 1775
- 2 Elisabeth Koster [1.1]