Keimpe de Jong(1813 - 1873)Fokke Sjoerds Kupeerus(1825 - 1888)
m. 10 Jun 1873, Workum
Sybren de Jong
Folkjen Kupeerus
b. 25 Apr 1848, Heeg
d. 27 Jul 1931, Workum
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b. 18 May 1851, Workum
d. 28 Oct 1933, Workum
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