| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jochem Jeips Posthuma | Registered | 1811 | Langezwaag | Name adoption |
| Jochem Posthuma | Seller | 1916 | Dantumadeel | Notarial records |
| Jochem Posthuma | Mention | 1933 | Sneek | Notarial records |
| Jochem Posthuma | Mention | 1933 | Sneek | Notarial records |
| Jochem Posthuma | Buyer | 1923 | Sneek | Notarial records |
| Jochem Posthuma | Father | 1916 | Goënga | Civil registration births |
| Jochem Sipkes Posthuma | Creditor | 1927 | Dantumadeel | Notarial records |
| Jochem Sipkes Posthuma | Mention | 1923 | Dantumadeel | Notarial records |
| Wiebren Jochem Posthuma | Registered | 1889 | Amsterdam | Police reports |
Find your ancestors and publish your family tree on Genealogy Online via https://www.genealogieonline.nl/en/