Family with parents
father Parents Sicke JansSwartwold MarcienWillems	Roeleff SickensSwartwolt 1681–1754
mother Parents PeterJans JantjenBarelts	HillechijnPieters 1695–1734
elder brother Family MargaretaNanninga	JanSwartwolt 1714–1774
elder brother Family (none)	PiterSwartwolt 1716–1716
elder sister Family (none)	JohannaSwartwolt 1718–1785
elder brother Family (none)	SikkoSwartwolt 1721–1747
elder brother Family (none)	PieterSwartwolt 1723–1730
elder brother Family Hillechien Jansvan Boekeren RoeleffSwartwolt TrijntjeSwartwolt HillechijnSwartwolt AnnechijnSwartwolt JanSwartwolt JohannaSwartwolt	RoeleffSwartwolt 1725–1789
elder brother Family (none)	JacobSwartwolt 1727–1727
himself Family ChristinaHuisinga RiccalmaNienhuis	BerentSwartwolt 1729–1799
younger brother Family Grietje OkkesJoling	PieterSwartwolt 1732–1808
younger brother Family (none)	BareltSwartwolt