Irеne Jacob was born 15 July 1966 in Suresnes, Hauts-de-Seine, a western suburb of Paris. The youngest child with three older brothers, she was raised in a highly educated and intellectual family and environment: her father, Maurice Jacob, was a physicist; her mother, a psychologist; one brother, Francis Jacob, a musician; and two brothers, scientists. In 1969, at the age of three, Irène moved with her family to Geneva, Switzerland, where she became interested in the arts. My family was very shy with feelings and never spoke about them, but we evolved a little bit. I think part of the reason I was attracted to theater was because I wanted to be close to stories because they could help me relate to my family. She made her stage debut in 1977 at the age of 11. She attended the Geneva Conservatory of Music and earned a degree in languages (she speaks fluent French, English, German, and Italian). She also studied at the Dramatic Studio in London, England. In 1984, she moved to Paris, where she studied acting at the prestigious Rue Blanche (the French national drama academy).
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