John Mengwasser (1862)
| Geboren | 02.01.1862 Van Burin, MO |
| Gestorben | 22.10.1941 Richfountain, Osage Cty., MO |
| Partner | Bernadine Reinkemeyer (1870) (04.02.1890 Rich Fountain, MO) |
| Kind 1 | Urban Mengwasser (1892) |
| Kind 2 | Henry Francis Mengwasser (1893) |
| Kind 3 | Sophia Struemph geb. Mengwasser (1894) |
| Kind 4 | Mary Boehm geb. Mengwasser (1899) |
| Kind 5 | Eda geb. Mengwasser (1903) |
| Kind 6 | August Mengwasser (1905) |
| Kind 7 | James Adolph (Driches) Mengwasser (1907) |