(1) He is married to Aaltje Lourens.
Permission for the marriage has been obtained in Amsterdam on October 27, 1741.Source 2
bruidegom woont in Amsterdam
(2) He is married to Marritje Louwerens Nieuwenhuis.
Permission for the marriage has been obtained in Zwartsluis on May 10, 1754.Source 3
They got married on June 9, 1754 at Zwartsluis.Source 317-05-1754 inschrijving ondertrouwregister Amsterdam op akte van Fredericus Engelenberg, predikant te Zwartsluis