The Sephardi financier, philanthropist, and Jewish communal leader Moses Montefioree, perhaps the most famous British Jew of the nineteenth century, was born in 1784 in Livorno during a visit there by his parents, who were Livornese-born residents of London. He was raised in the British capital, and later became one of London’s twelve “Jew brokers.” In 1812 he married Judith Cohen and thus became brother-in-law and later stockbroker to Nathan Mayer Rothschild. Montefiore retired from his business activities in 1824 and devoted the rest of his long life to commun…