| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jan Syverts Posthuma | Verhuurder in kwaliteit | 1878 | Tietjerksteradeel | Notarial records |
| Jan Syverts Posthuma | Buyer | 1862 | Idaarderadeel | Notarial records |
| Jan Syverts Posthuma | Father | 1916 | Terwispel | Civil registration deaths |
| Jan Syverts Posthuma | Father of groom | 1879 | Tietjerksteradeel | Civil registration marriages |
| Jan Syverts Posthuma | Father | 1850 | Tietjerksteradeel | Civil registration births |
| Jan Syverts Posthuma | Mention | 1835 | Westdongeradeel | Notarial records |
Find your ancestors and publish your family tree on Genealogy Online via https://www.genealogieonline.nl/en/