Name | Role | Place | Source | |
---|---|---|---|---|
Jan Machiel Frederik Keijzer | Registered | 1845 | Amsterdam | Patient registry |
Johan Machiel Frederik Keijzer | Registered | 1858 | Notarial records | |
Machiel Frederik Keijzer | Registered | 1845 | Amsterdam | Population register |
Machiel Frederik Keijzer | Registered | Brummen | Population register |
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