orig. Henrietta Howland Robinson born Nov. 21, 1834, New Bedford, Mass., U.S. died July 3, 1916, New York, N.Y. U.S. financier, reputedly the wealthiest American woman of her time. In 1865 her father and aunt both died, leaving her an estate valued at $10 million. By shrewd management she increased it to more than $100 million at her death