Cornelius Vanderbilt III military officer (1873–1942) (1873–1942) Parents Alice Claypoole Gwynne Cornelius Vanderbilt II Children Grace Vanderbilt Stevens Cornelius Vanderbilt IV Siblings Gertrude Vanderbilt Whitney Gladys Vanderbilt Széchenyi Reginald Claypoole Vanderbilt Alfred Gwynne Vanderbilt I William Henry Vanderbilt II Alice Gwynne Vanderbilt Partners Grace Vanderbilt
