| Frederikus van der Werff + Fronica Huizenga
 | 
	| | Frederikus van der Werff  (I17149) 
Birth  1893   -- Hoogezand, Sappemeer-Hoogezand, Groningen, NetherlandsDeath  26 June 1921 (Age 28)   -- Groningen, Groningen, Groningen, Netherlands
 
 | 
 | 
 | 
 
 |  |  |  |  | 
	| | Johannes Huizenga  (I17115) 
Birth  16 April 1868   -- Eenrum, Leens, Groningen, NetherlandsDeath  26 December 1944 (Age 76)   -- Den Hoorn, Leens, Groningen, Netherlands
 
 
Birth  16 April 1868  Eenrum, Leens, Groningen, Netherlands
Marriage   22 May 1890 (Age 22)  Martha Maria Bottema  - [View Family]
  Leens, Leens, Groningen, Netherlands
Death   26 December 1944 (Age 76)   Den Hoorn, Leens, Groningen, Netherlands
Burial   Wehe den Hoorn, Leens, Groningen, Netherlands | 
 | 
 |  |  |  | 
	| | Martha Maria Bottema  (I17114) 
Birth  5 November 1865   -- Den Hoorn, Leens, Groningen, NetherlandsDeath  23 December 1921 (Age 56)   -- Den Hoorn, Leens, Groningen, Netherlands
 
 
Birth  5 November 1865  Den Hoorn, Leens, Groningen, Netherlands
Marriage   22 May 1890 (Age 24)  Johannes Huizenga  - [View Family]
  Leens, Leens, Groningen, Netherlands
Death   23 December 1921 (Age 56)   Den Hoorn, Leens, Groningen, Netherlands
Burial   Wehe den Hoorn, Leens, Groningen, Netherlands | 
 | 
 | 
 |  |