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2021 Relativity
2021 Relativity
Cornelis van Bemmelen
Willem Valkenburg
(26 Feb 1852 - 26 Feb 1929)
Gerardina van der Wal
Elisabeth Heus
(Apr 1856 - 14 Mar 1939)
m.
29 Jan 1914, Haarlemmermeer, NH
Dirk van Bemmelen
Helena Valkenburg
b.
1881, Hillegom, NH
d.
b.
8 Mar 1879, Urk, Overijssel, Netherlands
d.
updated 3/27/21
copyright 2021 Jean Wisner Dupon