Descendancy Chart:
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1
Number of Children: 2 
Pedigree Tree
Descendancy Chart
Ancestry Chart
Compact Chart
Circle Diagram
Hourglass Chart
Family with spouse
Johanna Theodora Huizenga
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
Pedigree Tree
Descendancy Chart
Ancestry Chart
Compact Chart
Circle Diagram
Hourglass Chart
Family with spouse
Tjalling Grondstra
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 . 1- Jan Grondstra(I18701)
Private
1 . 2 . 2 - Johan Grondstra(I18702)
Private
1 . 2 . 3 - Willy Grondstra(I18703)
Private
1 . 2 . 4 - Martha Grondstra(I18704)
Private
1 . 2 . 5 - Herman Grondstra(I18705)
Private
1 . 2 . 6 - Froni Grondstra
(I18706) Death 21 October 2013
1 . 2 . 7 - Thomas Grondstra(I18707)
Private
1 . 2 . 8
