Family: Willem Jan Duyvené de Wit / Arnoudina Johanna van Heemstra (F978)
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Male
Willem Jan Duyvené de Wit
Birth 1910 Velp, Gelderland, Netherlands 
Death 1983 Rotterdam, Zuid-Holland, Netherlands 
Burial Marriage Father Mother
Female
Arnoudina Johanna van Heemstra
Birth 1911 Arnhem, Gelderland, Netherlands 
Death 1975 Amsterdam, Noord-Holland, Netherlands 
Burial Other Spouse Eduard Steinmetz | F979 Marriage Father Arnoud Johan Anne Aleid van Heemstra, Baron | F8 Group Sheet Mother Elbrigje Wilhelmina Henriëtte van Asbeck | F8 Group Sheet