| Leonard de Just [Parents] was born 1 about 1902 in Leiden. Leonard married 2 Jacoba Jansen on 30 Mar 1929 in Hengelo, Overijssel, The Netherlands. | 
| Jacoba Jansen was born 1 about 1906 in Amersfoort. Jacoba married 2 Leonard de Just on 30 Mar 1929 in Hengelo, Overijssel, The Netherlands. | 
| Berend Jan de Just [Parents] was born 1 about 1906 in Leiden. Berend married 2 Maria Berendina Wiehink on 5 Dec 1929 in Enschede, Overijssel, The Netherlands. | 
| Maria Berendina Wiehink was born 1 about 1907 in Nordhorn (Hannover). Maria married 2 Berend Jan de Just on 5 Dec 1929 in Enschede, Overijssel, The Netherlands. | 
| Hermanus Hendrikus Kroes was born 1 about 1867 in Arnhem, Gelderland, The Netherlands. Hermanus married 2 Maria Berendina Jurg on 18 May 1898 in Arnhem, Gelderland, The Netherlands. | 
| Maria Berendina Jurg [Parents] was born 1 about 1867 in Wageningen, Gelderland, The Netherlands. She died 2 on 25 Apr 1941 in Arnhem, Gelderland, The Netherlands. Maria married 3 Hermanus Hendrikus Kroes on 18 May 1898 in Arnhem, Gelderland, The Netherlands. | 
| Jan Anthonie Buying [Parents] was born 1 about 1850 in Wageningen, Gelderland, The Netherlands. He died 2 on 15 Jun 1904 in Zeist, Gelderland, The Netherlands. Jan married 1 Grada Johanna Willemsen on 20 Dec 1876 in Arnhem, Gelderland, The Netherlands. | 
| Grada Johanna Willemsen was born 1 about 1852 in Arnhem, Gelderland, The Netherlands. Grada married 2 Jan Anthonie Buying on 20 Dec 1876 in Arnhem, Gelderland, The Netherlands. | 
| 	Gerrit Willems Herwig was born 1 about 1795 in Veendam. Gerrit married 1 Trijntje Geerts Kloosterhuis on 1 Nov 1819 in Ten Boer, Groningen, The Netherlands. | 
| Trijntje Geerts Kloosterhuis [Parents] was born 1 about 1799 in Groningen, Groningen, The Netherlands. She died 2 on 20 Feb 1854 in Ten Post gem. Ten Boer, Groningen, The Netherlands. Trijntje married 1 Gerrit Willems Herwig on 1 Nov 1819 in Ten Boer, Groningen, The Netherlands. Other marriages:Gortsema, Jakob Egberts | 
| 	Adolf Claasen [Parents] 1 was christened 2 on 27 Jun 1706 in Kampereiland, The Netherlands. He was buried 3, 4 on 10 Dec 1771 in Kampen, Overijssel, The Netherlands. Adolf married 3 Beeltje Lambers on 14 Mar 1729 in IJsselmuiden, Overijssel, The Netherlands. Other marriages:, Aaltje Peters | 
| Beeltje Lambers 1 was born 1 about 1706 in IJsselmuiden, Overijssel, The Netherlands. Beeltje married 1 Adolf Claasen on 14 Mar 1729 in IJsselmuiden, Overijssel, The Netherlands. | 
| 	Adolf Claasen [Parents] 1 was christened 2 on 27 Jun 1706 in Kampereiland, The Netherlands. He was buried 3, 4 on 10 Dec 1771 in Kampen, Overijssel, The Netherlands. Adolf married 3 Aaltje Peters on 26 Mar 1733 in IJsselmuiden, Overijssel, The Netherlands. Other marriages:, Beeltje Lambers | 
| Aaltje Peters 1 was born 1 about 1706 in IJsselmuiden, Overijssel, The Netherlands. Aaltje married 1 Adolf Claasen on 26 Mar 1733 in IJsselmuiden, Overijssel, The Netherlands. | 
| Claas Jansen van de Camp 1 died 2, 3 about 1738 in Grafhorst, Overijssel, The Netherlands. Claas married 3 Grietje Adolfs in Kampereiland. Other marriages:van Brunnepe, Jannegien Jans | 
| Grietje Adolfs [Parents] 1 was born 2, 3 in Den Ham, The Netherlands. Grietje married 3 Claas Jansen van de Camp in Kampereiland. | 
They had the following children.
M i Adolf Claasen was christened on 27 Jun 1706. He was buried on 10 Dec 1771. M ii 
Harmen Claassen. 
Harmen was baptized 1 on 16 Nov 1704 in Kampereiland, Overijssel, The Netherlands.F iii 
Aaltje Claassen. 
Aaltje was baptized 1 on 14 Jul 1709 in Kampereiland, Overijssel, The Netherlands.
They had the following children.
F i Berentien Egbers van Aerst was born about 1706. 
| Claas Jansen van de Camp 1 died 2, 3 about 1738 in Grafhorst, Overijssel, The Netherlands. Claas married 4 Jannegien Jans van Brunnepe on 6 Oct 1690 in Kampereiland, Overijssel, The Netherlands. Other marriages:, Grietje Adolfs | 
| Jannegien Jans van Brunnepe died 1 on 24 Aug 1693 in Kampereiland, Overijssel, The Netherlands. Jannegien married 2 Claas Jansen van de Camp on 6 Oct 1690 in Kampereiland, Overijssel, The Netherlands. |