Family with parents
father Parents (unknown)	JanBerends 1620–1691
mother Parents SiccoCrumens	RoelofjenKrumens 1625–1712
elder brother Family (none)	BerendJans 1653–1685
elder brother Family (none)	RoelfJans 1655–1676
himself Family MarcienWillems Roeleff SickensSwartwolt Jan SickesSwartwolt Jeichien SickensSwartwolt	Sicke JansSwartwold 1657–1718
Family with MarcienWillems
himself Parents JanBerends RoelofjenKrumens	Sicke JansSwartwold 1657–1718
wife Parents (unknown)	MarcienWillems 1655–1720
son Family HillechijnPieters JanSwartwolt PiterSwartwolt JohannaSwartwolt SikkoSwartwolt PieterSwartwolt RoeleffSwartwolt JacobSwartwolt BerentSwartwolt PieterSwartwolt BareltSwartwolt	Roeleff SickensSwartwolt 1681–1754
son Family HillechienDoedens	Jan SickesSwartwolt