| Name | Role | Place | Source | |
|---|---|---|---|---|
| D de Gast | Registered | 1863 | Breda | Population register |
| D de Gast | Registered | 1863 | Breda | Population register |
| D. de Gast | Signatory | 1878 | 's-Gravenhage | Verzoekschriften |
| D. de Gast | Registered | 1893 | Amsterdam | Family cards |
| D. de Gast | Registered | 's-Hertogenbosch | District Court | |
| D. de Gast | Registered | 's-Gravenhage, Dirksland | Management file | |
| D. de Gast | Belanghebbende | 1808 | Notarial records | |
| D. de Gast | Belanghebbende | 1806 | Notarial records |
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