The Last Vanderbilt Stronghold, 640 Fifth Avenue, The Home of Mrs. Cornelius Vanderbilt

Upon William Henry Vanderbilt's death, he left his side of the Vanderbilt triple palace in New York City, which he had built for him and his daughters, to his youngest son George Vanderbilt. Upon George Vanderbilt's death it was to pass to George's eldest son, if he had a son. George Vanderbilt died without a son, so the Vanderbilt mansion at 640 Fifth Avenue, along with $1 million, passed to the eldest son of the eldest son of William Henry Vanderbilt, Cornelius Vanderbilt III and his wife…