| Father | | Johannes Robertus  (I17870) 
Birth  23 December 1898   -- Sappemeer, Hoogezand-Sappemeer, Groningen, NetherlandsDeath  15 July 1986 (Age 87)   -- Appingedam, Appingedam, Groningen, Netherlands
 
 | 
 | 
						
				| Mother |  | 
						
				| Sibling |  | 
						
				|  | | Roelf Robertus  (I17875) 
Birth  12 September 1938 Death  9 August 1957 (Age 18)   -- Appingedam, Appingedam, Groningen, Netherlands
 
 | 
 | 
						
				| Sibling |  |