Jan Sijwassinck was born 1680 in (Brinkheurne+ Winterswijk+ Gelderland+ Netherlands) to Hendrick Weekamp (1654-1710) and Fenneken Holthuis (1658-?) and died 22 April 1764 in (Winterswijk+ Gelderland+ Netherlands) of unspecified causes. He married Trijnjen Rookes (1685-?) 15 May 1707 .


Offspring of Jan Sijwassinck and Trijnjen Rookes (1685-?)
Name Birth Death Joined with
Geertruijt Sijwassink (1723-?) 1723 (Brinkheurne+ Winterswijk+ Gelderland+ Netherlands) Jan Hendrik Rotmans (1719-1777)

Footnotes (including sources)

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