on october 13, 1869, she was married william collins whitney, a friend and yale classmate of her brother oliver. whitney's parents were brigadier general james scollay whitney and laurinda (née collins) whitney, a descendant of plymouth governor william bradford. william's older brother was industrialist henry melville whitney, president of the metropolitan steamship company, and later founder of the dominion coal company and dominion iron and steel company. his sister, laurinda collins "lily" whitney married charles t. barney, who became the president of the knickerbocker trust company. another sister, susan collins whitney, married prominent attorney henry f. dimock. together, the whitneys had five children who lived beyond infancy: