Henriëtte Gesina Numans (15 August 1877 – 11 May 1955) was a Dutch painter.
She married the painter Waalko Jans Dingemans and they lived first in the Hague, in Nieuwkoop 1904–1911, and later in Haarlem, where he died in 1925.
Henriette taught drawing at a school for girls and was a member of Kunst Zij Ons Doel there and Arti et Amicitiae in Amsterdam.
[1] Numans' work was included in the 1939 exhibition and sale Onze Kunst van Heden (Our Art of Today) at the Rijksmuseum in Amsterdam.
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