Tofterå Slettemoen genealogy
Family: Jisk Boschma / Alida Theodora Elizabeth Koomen (F6394)
m. Oct 1954 | Leonardus Jacobus Koomen (1896-1945) 
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 | Theodora Hendrika van den Burg (1899-1938)
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| Aris Cornelis Koomen (1922-2001) |
| Miet Petronella Koomen (1925-2009)  |
| Adrianus Nicolaas Leonardus Koomen (1926-2013) |
| Nicolaas Adrianus Petrus Koomen (1927-1931) |
| Cornelis Leonardus Koomen (1935-1980) |
| Jisk Boschma (1934-1976) |
| Alida Theodora Elizabeth Koomen (1932-1976)
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