Egerton Leigh Winthrop (October 7, 1838 – April 6, 1916)[1] was an American lawyer and clubman who was prominent in New York society during the Gilded Age.
Dr. John White Chanler and they were the parents of U.S. Representative John Winthrop Chanler, Egerton's first cousin who was married to Margaret Astor Ward, the daughter of Samuel Cutler Ward and granddaughter of William Backhouse Astor, Sr.[4] Another aunt, Margaret Cornelia Winthrop, was married to George Folsom, the U.S. Chargé d'affaires to the Netherlands.
[6] Winthrop was admitted to the bar in 1860 after graduating from Columbia College that same year,[1] where he was a member of Delta Phi fraternity.
[27] Charlotte was married to lawyer Robert Ludlow Fowler Jr. (1887–1974)[28][29] in 1914, with her Winthrop grandfather walking her down the aisle.
[28] Fitzgerald based the main character of his short story, The Rich Boy on Fowler.