In 1896, she married the writer, journalist and director of Gyldendal, Peter Nansen (1861–1918).
He was managing director of Gyldendal, Denmark's largest publishing house, and a passionate art collector.
In a plea to the Copenhagen City Court, he refers the plaintiff to publisher Gyldendal and author Claus Beck-Nielsen for payment as the lawful owners of the copyright to his former identity.
She has illustrated several children's books for the publishers Aschehoug, Damm, Samlaget and Gyldendal, among them the novel Tonje Glimmerdal by Maria Parr, a recipient of the Brage Prize.
Wentzel, Kitty (1956, 2009) Gustav Wentzel (Oslo: Gyldendal) ISBN 978-82-303-1251-3.
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In 1955 his wife, Norwegian writer and journalist Kitty Wentzel, wrote her personal remembrances in his biography titled Gustav Wentzel (Oslo: Gyldendal, 1956).
Connie Hedegaard, Niels Jorgen-Kaiser, Nils Berger Wamberg, Så er det Sagt! -- en samtaleportræt af Lise Nørgaard (English: So it is said!: A conversational portrait of Lise Nørgaard), Gyldendal, 1997, 157pp ISBN 87-00-29508-6
He was also the grandfather of Norwegian novelist Espen Haavardsholm, who wrote about his grandfather in Martin Linge – min morfar. Familieroman med fotografier (Gyldendal norsk forlag. 1993).