He is married to Maria van Ditten.
They got married on May 3, 1917 at Dordrecht, he was 22 years old.Source 2
Child(ren):
grandparents
parents
brothers/sisters
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Johannes Albertus van Heck | |||||||||||||||||||||||||||||||||||
1917 | |||||||||||||||||||||||||||||||||||
Maria van Ditten | |||||||||||||||||||||||||||||||||||
https://www.regionaalarchiefdordrecht.nl/archief/zoeken/?mivast=46&miadt=46&mizig=133&miview=ldt&milang=nl&micols=1&mizk_alle=Johannes%20Albertus%20van%20Heck
huw256.188 Huwelijksakten Dordrecht 1917 aktnr 119