[1] Her father, Émile Servan-Schreiber, was a Jewish journalist and author.

Her paternal father, Joseph Schreiber, was a Jewish-Prussian immigrant.

In her first book, Madame et le management, published in 1969, she argued that women should run their households like a business.

[6] Collange served on the honorary committee of the Association pour le droit de mourir dans la dignité, a pro-euthanasia organization.

[9] She died on 24 October 2023, at the age of 92, five days shy of her 93rd birthday.