[1] Ansingh belonged to a group of female post-impressionist painters influenced by the Amsterdam Impressionism movement called the Amsterdamse Joffers.

[6] Here she studied with the professors August Allebé, Nicolaas van der Waay and Carel Dake.

[7] At the Academy a lasting friendship was born between a group of female painters, later called the Amsterdamse Joffers: Lizzy Ansingh, Marie van Regteren Altena, Suze Bisschop-Robertson,[8] Coba Ritsema,[9] Ans van den Berg, Jacoba Surie, Nelly Bodenheim, Betsy Westendorp-Osieck and Jo Bauer-Stumpff.

The importance of the Amsterdamse Joffers lies primarily in functioning as role models for younger female painters in the Netherlands, especially during and after the 1970s.

Her Amsterdam studio in the Herengracht, along with the dollhouse, was severely damaged on the night of 27 April 1943 when a British bomber was shot down, destroying the Carlton Hotel [nl] and much of the Reguliersdwarsstraat [nl] alongside her studio (the ensuing fire was the most devastating in Amsterdam since 1659 and is recorded in Anne Frank's diary).