Children of Hendrika HEIKOOP and Gerrit KLEIN are:
| || i.||Teunis KLEIN was born 16 MAR 1815 in Leerdam, Zuid-Holland, Netherlands, and died 1854 in Lake Prairie Twp, Pella, Marion, Iowa. He married Pleuntje KLIJN 1837.
| || ii.||Neeltje KLEIN was born 23 SEP 1817 in Leerdam, Zuid-Holland, Netherlands. She married Arij KLIJN 1838 in Nieuwland, Zuid-Holland, Netherlands, son of Jacob KLIJN and Adriana DEN HARTOG.
He was born 23 SEP 1806 in Leerbroek, Zuid-Holland, Netherlands.
| || iii.||Merrigje KLEIN was born 22 DEC 1818 in Leerbroek, Netherlands.|
| || iv.||Antonie KLEIN was born 3 NOV 1820 in Leerbroek, Netherlands. He married Adriana DE LEEUW 1843, daughter of Willem Janse DE LEEUW and Annigje VAN ZANTEN.
She was born 1793 in Schoonrewoerd, Netherlands.
| || v.||Hilligje KLEIN was born 3 SEP 1822 in Leerdam, Netherlands. She married Willem SCHENKEL 1842, son of Barend SCHENKEL and Maria STERK.
He was born 1822 in Vianen, Netherlands.
| || vi.||Jan Teunis KLEIN was born 16 MAR 1824 in Leerdam, Utrecht, Netherlands, and died 22 JUL 1900 in Jasper Co, Iowa. He married Pieternella VAN MEVEREN 9 JUN 1848 in Pella,Iowa, daughter of Pieter VAN MEVEREN and Neeltje VANDEN BERG.
She was born 26 DEC 1825 in Noordeloos, Zuid, Holland, and died 23 NOV 1886 in Elk Creek Twp, Jasper, Iowa.
|2.|| vii.||Gerrit KLEIN was born 20 NOV 1825 in Leerdam, Netherlands. He married Neeltje van der WILD.
She was born in Koko, South Holland, and died AUG 1854.
He married Arendina Janna KORNEGOOR DEC 1854 in Pella, Marion Co, Iowa.
She was born 1834, and died 24 APR 1874 in Pella, Marion, Iowa.
He married Hendrika HESSEL 8 JUN 1874 in Marion Co, Iowa.
She was born 16 JUN 1855.
| || viii.||Piet KLEIN was born 14 DEC 1827 in Leerdam, Netherlands, and died 22 MAR 1849 in Pella, Marion, Iowa.|
| || ix.||Teunis Hendrikus KLEIN was born 10 OCT 1830 in Leerbroek, Netherlands, and died 14 FEB 1887 in District 29, Lee, Iowa, United States. He married Geertruida Adriana DE LEEUW 16 MAR 1855 in Pella, Marion Co, Iowa, daughter of Adrianus DE LEEUW and ADRIANA.
She was born 8 AUG 1838 in Schoonrewoerd, Netherlands.
| || x.||Evertje KLEIN was born 12 JUL 1833 in Leerdam, Netherlands. She married Egbert JELSMA.
| || xi.||Maartinus KLEIN was born 2 JUL 1836 in Leerbroek, Netherlands. He married Johanna HOOGENAKKER.