| Name | Role | Place | Source | |
|---|---|---|---|---|
| Mathieu Boost | Partij | 1911 | Heerlen | Notarial records |
| Mathieu Boost | Partij | 1911 | Hoensbroek | Notarial records |
| Mathieu Boost | Father | 1812 | Heerlen | Civil registration deaths |
| Mathieu Petrus Hubert Boost | Deceased | 1949 | Roermond | Prayer card collection |
| Pieter Mathieu Boost | Partij | 1886 | Heerlen | Notarial records |
| Pieter Mathieu Boost | Counterparty | 1891 | Heerlen | Notarial records |
| Pieter Mathieu Boost | Partij | 1886 | Heerlen | Notarial records |
| Pieter Mathieu Boost | Partij | 1882 | Heerlen | Notarial records |
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