Tatiana's paternal great-grandmother was Russian actress Natalia Rachewskïa, director of the Leningrad Pushkin Theatre from 1925 to 1949.

She moved to England in the early 1980s and obtained a bachelor's degree in English literature at the University of East Anglia,[2] in Norwich.

[6] In 2009 the book was adapted into the French film Sarah's Key by Serge Joncour, with Kristin Scott Thomas as Julia.

issued a ranking of the top French novelists, placing de Rosnay at number eight.

In January 2011, Le Figaro magazine published a ranking of the top ten most read French authors.