| Name | Role | Place | Source | |
|---|---|---|---|---|
| François Jacques Blockx | Witness | 1803 | Brussel | Civil registration marriages |
| Jacques Blockx | Witness | 1898 | Brussel | Civil registration marriages |
| Jacques Blockx | Witness | 1851 | Sint-Joost-ten-Node | Civil registration marriages |
| Jacques Blockx>Stevens | Child | 1883 | Tienen | Civil registration births |
| Jacques Blockx>Stevens | Gewettigd kind | 1887 | Tienen | Civil registration marriages |
| Jacques Joseph Blockx | Witness | 1858 | Brussel | Civil registration marriages |
| Jacques Joseph Ghislain Blockx | Groom | 1892 | Liège | Civil registration marriages |
| Jean Jacques Blockx | Deceased | 1811 | Antwerpen | Civil registration deaths |
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