Family with parents
father Parents Jacob JacobsenAchterberg HendrikjeVeenendaal	JanAchterberg 1787–1858
mother Parents Hendrik FrederikErtman Aaltje Aartsvan Koetsveld	ChristinaErtman 1798–1871
himself Family GeertruiHardeman JanAchterberg CornelisAchterberg ChristiaanAchterberg AaltjeAchterberg WillemAchterberg ChristinaAchterberg	JanAchterberg 1838–1892
Mother’s family with HendrikBouwman
step-father Parents (unknown)	HendrikBouwman 1797–1834
mother Parents Hendrik FrederikErtman Aaltje Aartsvan Koetsveld	ChristinaErtman 1798–1871
Family with GeertruiHardeman
himself Parents JanAchterberg ChristinaErtman	JanAchterberg 1838–1892
wife Parents CornelisHardeman Aaltjevan Dijk	GeertruiHardeman 1844–1908
son Family Johannavan Gulijk GeertruiAchterberg ElizabethAchterberg	JanAchterberg