 At the time, rumors circulated around Washington that Sumner and Mathilde were having an affair that wrecked both their marriages.On October 22, 1925, Gerry married Edith Stuyvesant Dresser (1873–1958), the widow of George Washington Vanderbilt II (1862–1914).Edith, a daughter of Maj. George Warren Dresser, was the mother of Cornelia Stuyvesant Vanderbilt (1900–1976), who married John Francis Amherst Cecil, son of Lord William Cecil and Mary Rothes Margaret Tyssen-Amherst, 2nd Baroness Amherst of Hackney.