 | 1 |
Number of Children: 2 
Tjalling Grondstra 
(I17151) Birth 13 August 1895 -- Woudsend, Wymbritseradiel, Friesland, Netherlands
Death 17 December 1943 (Age 48) -- Wildervank, Veendam, Groningen, Netherlands
1 . 1- Marriage 5 June 1918 -- Leens, Leens, Groningen, Netherlands
Johanna Theodora Huizenga 
(I17150) Birth 1897 -- Den Hoorn, Leens, Groningen, Netherlands
Unknown children
Harmen Grondstra
(I18699) Birth 12 December 1890 -- Woudsend, Wymbritseradiel, Friesland, Netherlands
1 . 2- Marriage 20 February 1923 -- Leens, De Marne, Groningen, Netherlands
Aafke Huizenga
(I18696) Birth 1903 -- Den Hoorn, Leens, Groningen, Netherlands
Number of Children: 8
1 . 2 . 1Jan Grondstra (I18701)
Private
1 . 2 . 2Johan Grondstra (I18702)
Private
1 . 2 . 3Willy Grondstra (I18703)
Private
1 . 2 . 4Martha Grondstra (I18704)
Private
1 . 2 . 5Herman Grondstra (I18705)
Private
1 . 2 . 6Froni Grondstra
(I18706) Death 21 October 2013
1 . 2 . 7Thomas Grondstra (I18707)
Private
1 . 2 . 8