James Dinsmore’s brother, William B. Dinsmore, had a great-granddaughter named Helen Astor (see extended family tree) who married Vincent Astor, the son of the John Jacob Astor IV, who died on the Titanic. Through the influence of Anna Roosevelt, Robert Ferguson came to the United States, where he and Douglas Robinson, Theodore Roosevelt’s brother-in-law, were co-trustees of the Astor Estate and property interests in New York City. Robert received a letter giving an account of the evening when the Carpathia arrived with the few Titanic survivors, including John Astor's wife. The handwritten letter gives an account of some of the events the night the Titanic sunk.