│          │          ├─ Berend Groenwold

(25 Sep 1891 2
e Exloërmond, Odoorn, Drenthe, Nederland - Yes, date unknown)
         │          │          │ +
Elizabeth Eisenga

(01 Aug 1892 Drouwenermond, Borger, Drenthe, Nederland - Yes, date unknown)
         │          │          ├─ Jantje Groenwold

(09 Dec 1892 2
e Exloërmond, Odoorn, Drenthe, Nederland - Yes, date unknown)
         │          │          │ +
Roelof Idema

(21 Dec 1890 Nieuw-Dordrecht, Emmen, Drenthe, Nederland - 22 Jun 1925 Emmen, Drenthe, Nederland)
         │          │          ├─ Aaltje Groenwold

(24 Jul 1895 2
e Exloërmond, Odoorn, Drenthe, Nederland -
         │          │          │ 05 Oct 1895 2
e Exloërmond, Odoorn, Drenthe, Nederland)
         │          │          ├─ Sietse Groenwold

(17 Sep 1896 2
e Exloërmond, Odoorn, Drenthe, Nederland -
         │          │          │ 29 Oct 1896 2
e Exloërmond, Odoorn, Drenthe, Nederland)
         │          │          ├─ Sietse Groenwold

(14 Oct 1897 2
e Exloërmond, Odoorn, Drenthe, Nederland -
         │          │          │ 28 Nov 1897 2
e Exloërmond, Odoorn, Drenthe, Nederland)
         │          │          ├─ Aaltje Groenwold

(07 Apr 1899 2
e Exloërmond, Odoorn, Drenthe, Nederland -
         │          │          │ 05 Jul 1899 2
e Exloërmond, Odoorn, Drenthe, Nederland)
         │          │          ├─ Sietse Groenwold

(15 Oct 1900 2
e Exloërmond, Odoorn, Drenthe, Nederland - Yes, date unknown)
         │          │          │ +
Elsina de Jonge

(24 Dec 1897 2
e Exloërmond, Odoorn, Drenthe, Nederland - Yes, date unknown)
         │          │          ├─ Albert Groenwold

(13 Apr 1904 Exloërkijl, Odoorn, Drenthe, Nederland -
         │          │          │ 02 Mar 1963 2
e Exloërmond, Odoorn, Drenthe, Nederland)
         │          │          │ +
Annechien Goeree

(17 Oct 1903 2
e Exloërmond, Odoorn, Drenthe, Nederland -
         │          │          │ 07 Jun 1988 Assen, Drenthe, Nederland)
         │          │          ├─ Jacob Groenwold

(27 Sep 1906 2
e Exloërmond, Odoorn, Drenthe, Nederland -
         │          │          │ 08 Mar 1907 2
e Exloërmond, Odoorn, Drenthe, Nederland)
         │          │          │ +
Antonie Knigge

(Cal 1908 2
e Exloërmond, Odoorn, Drenthe, Nederland - Yes, date unknown)
         │          │          └─ Engelina Groenwold

(07 Jul 1909 2
e Exloërmond, Odoorn, Drenthe, Nederland -
         │          │           22 Sep 1909 2
e Exloërmond, Odoorn, Drenthe, Nederland)
         │          ├─ Metje van der Vinne

(10 May 1875 2
e Exloërmond, Odoorn, Drenthe, Nederland -
         │          │ 13 Jun 1926 Exloërkijl, Odoorn, Drenthe, Nederland)
         │          │          └─ Klaasien Vos

(28 Dec 1900 2
e Exloërmond, Odoorn, Drenthe, Nederland -
         │          │           06 Sep 1971 2
e Exloërmond, Odoorn, Drenthe, Nederland)
=>
         │          │           +
Klaas van Klinken

(30 Nov 1900 2
e Exloërmond, Odoorn, Drenthe, Nederland -
         │          │           01 Oct 1970 2
e Exloërmond, Odoorn, Drenthe, Nederland)
         │          │          ├─ NN van der Vinne

(12 Oct 1907 2
e Exloërmond, Odoorn, Drenthe, Nederland -
         │          │          │ 12 Oct 1907 2
e Exloërmond, Odoorn, Drenthe, Nederland)
         │          │          │ +
Barbartje de Goede

(03 Mar 1906 Niebert, Marum, Groningen, Nederland - 06 May 1984 Grootegast, Groningen, Nederland)
         │          │          │ +
H Haak

(Yes, date unknown - Yes, date unknown)
         │          │          ├─ Jannes van der Vinne

(08 Mar 1914 Odoorn, Drenthe, Nederland -
         │          │          │ 26 Sep 1914 2
e Exloërmond, Odoorn, Drenthe, Nederland)