Is Jan the same person as JanRensink? JanRensink married in 1753, Jan van het Blaauwehuis's son is later also Rensink, Jan van het Blaauwehuis died before 1789.
Was Jan van het Blaauwehuis possibly the father of Berenduit hetBlaauwe huis? Berend's father died before 1788, Jan also.
Janvan hetBlaauwehuis died b 1789, because he died before Harmina's marriage.1