Sara Bergwerf was born 1758 in Maassluis, South Holland, Netherlands to Pieter Bergwerf (1724-) and Trijntje Borsje (c1731-) and died 6 February 1820 Zierikzee, Zeeland, Netherlands of unspecified causes. She married Adriaan Mandel 22 June 1783 in Maassluis, South Holland, Netherlands. She married Cornelis Melhart (c1750-1820) 25 November 1808 in Zierikzee, South Holland, Netherlands.
|Offspring of Sara Bergwerf and Adriaan Mandel|
|Antonia Mandel (c1787-1822)||1787 Zierikzee, Zeeland, Netherlands||6 October 1822 Zierikzee, Zeeland, Netherlands||Gilles Blok (c1788-1826)|
|Trijntje Mandel (c1791-1852)|