Jan Hendrik de Vries(19 Mar 1827 - 15 May 1915)
Trijntje Arjens de Vries(29 Mar 1832 - 10 Mar 1900)
m. 22 May 1889, Assen
Jan Koops
Grietje de Vries
b. 29 Aug 1859, Assen
d. 11 Jan 1918, Assen
bur.  
occ.  
edu.  
rel.  
b. 6 Oct 1860, Ooststellingwerf
d. 9 Feb 1962, Assen
bur.  
occ.  
edu.  
rel.  
Children
Jan Koops(27 Mar 1890 - )
Jan Arjen Koops(2 Aug 1892 - 22 Nov 1971)
Hendrik Koops(26 May 1894 - 9 Jun 1974)
Jan Koops(23 Jun 1897 - )