Hybertie Lansing Pruyn Hamlin (1873-1964) was born in Albany, New York, to John Van Schaick Lansing Pruyn (1811-1877) and Anna Fenn Parker Pruyn (1840-1909). Her father was a U.S. Congressman, representing New York’s 14th District. One of her sisters was Harriet Langdon Pruyn Rice (1868-1939). Hybertie married Charles Sumner Hamlin (1861-1938) in 1898. Charles was a lawyer, delegate to three international peace conferences, and later, the first Governor appointed to the Federal Reserve Board in 1914.