Michael Alexander Jankowski 1858– | | |
Wilhelmine Auguste Jankowski 1863– | | |
Johanna Jankowsky 1906–1909 | | |
Johann Jankowsky 1921–1922 | | |
| | Ludwig Jankowsky 1871–1948 | | |
| | Emma Emilie Jankauskaite 1906– | | |
Martha Jankowsky 1910–1917 | | |
Ludwig Joseph Jankowsky 1914–1917 | | |
| | Karl Michael Jankowski 1873–1943 | | |
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