FAMILY RECORDS of the Descendants of GERSHOM FLAGG [Born 1730] of Lancaster Massahusettes (sic) with Other Genealogical Records of THE FLAGG FAMILY Descended from THOMAS FLEGG OF WATERTOWN MASS and Including THE FLEGG LINEAGE IN ENGLAND Compiled and Published by Norman Gersom Flagg and Lucius C S Flagg 1907
Chapter V pg 97:
Gershom Flagg, Son of Gerhom Flagg of Lancaster Mass and His Descendants 1758-1906
[Editha's] sister, Margaret Hitchcock b 25 May 1741 m Richard Falley, a soldier in the Revolutionary War, and had issue Margaret Falley b 15 Nov 1776 who m William cleveland and had issue Richard Falley Cleveland b 19 Jun 1805 who m Anne Neal and had issue Stephen Grover Cleveland b 18 Mar 1837 who was President of the United States.
Margaret married William CLEVELAND.