| Father |
| Demelenne, Jules Joseph | 1848-05-19 | 1898-04-23
| Mother |
| Deblier, Marie Barbe | 1857-05-31 | 1928-02-10
| Brother |
Demelenne, Augustin Hippolyte |
1876-11-12 |
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| Sister |
Demelenne, Marie Julia |
1878-11-08 |
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Demelenne, Marie Josephe |
1880-01-01 |
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| Brother |
Demelenne, Joseph |
1882-04-21 |
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| Brother |
Demelenne, Arsène Joseph |
1884-05-15 |
1933 |
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| Brother |
Demelenne, Alphonse Fernand |
1886-12-04 |
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| Brother |
Demelenne, Joseph Alphonse |
1888-06-03 |
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| Brother |
Demelenne, Fernand |
1889-09-21 |
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| Sister |
Demelenne, Emma |
1891-04-26 |
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| Brother |
Demelenne, Alfred Joseph |
1893-04-18 |
1946 |
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| Brother |
Demelenne, Maurice Joseph |
1896-07-08 |
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