Levy Barent Cohen  Levy Barent Cohen (1747 – 1808) was a Dutch-born British financier and community worker. Levy Barent Cohen was born in Amsterdam in 1747. He was the son of Barent Cohen, a wealthy merchant. Cohen and his brother moved in England had developed a large business in London. He became known as one of the leading merchants of the city. Cohen was naturalized as a British subject in 1798. He was closely involved in a number of Jewish charities and filled successively all the offices of the Duke's Place Synagogue, the principal Ashkenazi synagogue in London. Through the marriages which his children contracted, including with Nathan Mayer Rothschild and Sir Moses Montefiore, nearly all the leading Jewish families in England were connected with him. In addition, his brother's daughter was Nanette Salomons Cohen, the maternal grandmother of both Karl Marx and of who, with his son Gerard, founded Philips Electronics. Cohen died in England in 1808.