Family with parents
father Parents JanVonk TrijntjeJonker	CornelisVonk 1824–1861
mother Parents Cornelis PieterszKuiper Jantje NansKok	MaartjeKuiper 1823–1906
himself Family (none)	JanVonk 1851–1893
younger brother Family (none)	CornelisVonk 1854–1938
younger sister Family Klaas SimonszoonBoon MaartjeBoon JohannaBoon Simon CornelisBoon Simon CornelisBoon	TrijntjeVonk