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The full name of Jacob Rothschild is Nathaniel Charles Jacob Rothschild, 4th Baron Rothschild. He was a prominent British investment banker and a member of the prominent Rothschild family. Born on July 1, 1936, he was the son of Victor Rothschild, 3rd Baron Rothschild, and Barbara Judith. He succeeded to the title of 4th Baron Rothschild upon his father's death in 1990.