bij KB van 01-04-1913: naam wordt J.N.J.E. Heerkens Thijssen.
Adjunct commies der Provinciale griffie van Noord Holland.
Tijdstip: 22:30
He is married to Laura Francisca Johanna Maria van der Kun.
They got married on November 24, 1898 at 's-Gravenhage, he was 32 years old.Source 2
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