Henri Citroen was a son of Jacob Citroen and Mathilde Reiss. He was a manufacturer of golden chains. He married Elisabeth Clara Joosten in 1910 in Amsterdam. They had a son Jacob Max who died young.
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In April 1942, Het Joodsche Weekblad published an obituary for Henri Citroen.
Het Joodsche Weekblad, 1 April 1942, 8