He is married to Adriana Johanna Sonneveld.
They got married on September 21, 1904 at Schiedam , he was 41 years old.
Maria, de dochter van Hendrik Romein en Adriana Johanna Sonneveld, is
geboren op 21 juni 1904 Schiedam.
Alle gegevens volgens www.sonneveldweb.nl door Jan Joost Sonneveld (7
oktober 2016).
The data shown has no sources.