| Name | Role | Place | Source | |
|---|---|---|---|---|
| Johan Constantijn Mathias | Collateraal subject | 1746 | Middelburg | Heffing collaterale successie |
| Johan Constantijn Mathias | Registered | 1738 | Amsterdam | Notarial records |
| Johan Constantijn Mathias | Registered | 1725 | Bergen op Zoom | Notarial records |
| Johan Constantijn Mathias Pous | Buried | 1776 | Middelburg | Church records burials |
| Johan Constantijn Mathias Pous | Buried | 1776 | Middelburg | Church records burials |
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