Seydoux is the elder of two sisters born to businessman and philanthropist Valérie Schlumberger. She has six siblings including three older maternal half-siblings, younger sister actress
Léa Seydoux, and two younger half-brothers from her father's second marriage to model
Farida Khelfa. Seydoux was born into two wealthy and prominent French families. On her paternal side (the
Seydoux family) she is the granddaughter of
Pathé owner
Jérôme Seydoux. On both her paternal and maternal sides she is related to the
Schlumberger brothers. Seydoux was raised as a
Protestant. ==Career==