Family with parents
father Parents Herman JansenHemmelder EuphemiaPoll	JohannesHemmelder 1745–1821
mother Parents Hermann Heinrichvan Wietmarschen Anna MariaDeitering	Agnesvan Wietmarschen 1751–1824
elder sister Family Joannes“Jan” Vos JohannaVos Hermannus JohannesVos Bernardus AntoniusVos Maria ElisabethVos FranciscusVos	Maria JacobaHemmelder 1783–1856
elder brother Family (none)	HermannusHemmelder 1784–1810
elder sister Family Hermannus LambertusTusveld Johannes FranciscusTusveld Maria EuphemiaTusveld Gradus BernardusTusveld AgnesTusveld Gerardus BernardusTusveld Johanna BerendinaTusveld Johannes AntoniusTusveld Gradus BernardusTusveld Euphemia MariaTusveld	HenricaHemmelder 1786–1866
himself Family (none)	FranciscusHemmelder 1788–1807
younger sister Family (none)	MariaHemmelder