Barend Jansz Vergunst
- Born: 1603, Koudekerk, , Zuid-Holland, Netherlands
- Marriage (1): Sara Daniels Breekland on 24 Jun 1636 in Alphen aan de Rijn, , Zuid-Holland, Netherlands
- Died: 1658, Scheveningen, , Zuid-Holland, Netherlands at age 55
 Noted events in his life were:
• Occupation: Pannenbakker en schepen van Valkenburg, 1658.
Barend married Sara Daniels Breekland, daughter of Daniel Louwerisz Breekland and Trijn Hendricxdr, on 24 Jun 1636 in Alphen aan de Rijn, , Zuid-Holland, Netherlands. (Sara Daniels Breekland was born in 1607 in Koudekerk, , Zuid-Holland, Netherlands and died in 1651 in Koudekerk, , Zuid-Holland, Netherlands.)
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