| Birth | September 20, 1922 28 24 |
| Birth of a sister | Alwine Lehmkuhl March 27, 1924 (Age 18 months) |
| Birth of a brother | Alfons Lehmkuhl February 14, 1926 (Age 3 years) |
| Birth of a brother | Otto Lehmkuhl May 7, 1935 (Age 12 years) |
| Death of a brother | Alfons Lehmkuhl September 4, 1945 (Age 22 years) Note: Alfons starb in russischer Kriegsgefangenschaft im Lager Kierow im Kreis Kaluga
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| Death of a sister | Alwine Lehmkuhl April 1, 1980 (Age 57 years) |
| Death of a mother | Maria Agnes Hüninghake December 30, 1981 (Age 59 years) |
| Death of a father | Joseph August Lehmkuhl May 20, 1982 (Age 59 years) |
| Death | May 12, 1996 (Age 73 years) |
| Religion | RK |
| Family with parents |
| father |
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| mother |
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| elder sister |
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17 months himself |
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18 months younger sister |
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23 months younger brother |
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9 years younger brother |
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| sister |
Private |
| Family with Paula Schratz |
| himself |
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| wife |
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| daughter |
Private |
| daughter |
Private |
| daughter |
Private |
| son |
Private |
| Death | I279 Johannes Lehmkuhl Totenbild.jpg Format: image/jpeg Image dimensions: 455 × 354 pixels File size: 27 KB Type: Document |
| Media object | I279 Johannes Lehmkuhl.jpg Format: image/jpeg Image dimensions: 234 × 319 pixels File size: 17 KB Type: Photo Highlighted image: yes |
| Media object | I279 Johannes Lehmkuhl Totenbild.jpg Format: image/jpeg Image dimensions: 455 × 354 pixels File size: 27 KB Type: Document |