Joseph van der Heijm married twice. His first marriage was with Metje Cornelia Verploeg on 27 sep 1916 in Rotterdam. This marriage ended when Metje died on 12 jan 1934 in Rotterdam.
They had 4 children:
Schoontje van der Heijm (who died when less then a year old on 17 nov 1916 in Rotterdam)
Jacob van der Heijm, Sera Bets van der Heijm and Meijer van der Heijm.
He remarried on 5 sep 1934 Rotterda…