Is Jan the same person as Janvan hetNijhuis? Janvan hetNijhuis died before 1736, Jan van het Nieuwhuis before 1743, both have a daughter Swenne.
Is Jan the same person as JanArentsenKooij? JanArentsenKooij married (1) Zwenneke, died before 1720, Jan van het Nieuwhuis's daughter Swenne married in 1743, father deceased.
Janvan hetNieuwhuis died b 1743, because he died before Swenne's marriage.1