Walther Luttgen (b. 1839) emigrated as a child from Germany to the United States and in 1866 married Amelia Victoria Bremeyer of Brooklyn, NY. He began with August Belmont & Co. in 1859 as an office boy, was head of the clerks by 1869, and was made partner in 1880. He also served as director of several other firms and as Commodore of the Columbia Yacht Club. He lived 49 W. 75th
, at Luttgen Place in Linden, New Jersey, and at Villa Linta in Redding, Connecticut.
Lord Rothschild (Nathan, b. 1840), Alfred (b. 1842), and Leopold (b. 1845) were the three sons of Lionel de Rothschild, and headed the London branch of the family firm after their father’s death.