| Name | Role | Place | Source | |
|---|---|---|---|---|
| Johan Hubert Mullenberg | Father | 1900 | Wittem | Civil registration births |
| Johan Mullenberg | Father | 1910 | Vaals | Civil registration births |
| Johan Mullenberg | Groom | 1939 | Heerlen | Civil registration marriages |
| Johan Mullenberg | Father | 1910 | Vaals | Civil registration deaths |
| Johan Mullenberg | Witness | 1939 | Heerlen | Civil registration marriages |
| Johan Mullenberg | Groom | 1939 | Heerlen | Civil registration marriages |
| Johan Mullenberg | Child | 1916 | Vaals | Civil registration births |
| Johan Müllenberg | Father | 1894 | Vaals | Civil registration births |
| Johan Müllenberg | Registered | 1927 | Dordrecht | Population register |
| Johan Müllenberg | Registered | 1893 | Aken-Duitsland | Population register |
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