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Early years

Bergson was born in the Rue Lamartine in Paris, not far from the Palais Garnier (the old Paris opera house) in 1859. His father, the composer and pianist Michał Bergson, was of Polish-Jewish background (originally bearing the name Bereksohn). His great-grandmother, Temerl Bergson, was a well-known patroness and benefactor of Polish Jewry, especially those associated with the Hasidic movement. His mother, Katherine Levison, daughter of a Yorkshire doctor, was from an English-Jewish and Irish-Jewish background. The Bereksohns were a famous Jewish entrepreneurial family of Polish descent. Henri Bergson's great-great-grandfather, Szmul Jakubowicz Sonnenberg called Zbytkower, was a prominent banker and a protégé of Stanisław II Augustus, king of Poland from 1764 to 1795.

Bergson's family lived in London for a few years after his birth, and he obtained an early familiarity with the English language from his mother. Before he was nine, his parents settled in France, and Henri became a naturalized French citizen.

Bergson married Louise Neuberger, a cousin of Marcel Proust, in 1891. (Proust served as best man at the wedding.) Henri and Louise Bergson had a daughter, Jeanne, born deaf in 1896. Bergson's sister, Mina Bergson (also known as Moina Mathers), married the English occult author Samuel Liddell MacGregor Mathers, a founder of the Hermetic Order of the Golden Dawn, and the couple later relocated to Paris.