His grandfather , William Colfax , served in George Washington 's Life Guard during the American Revolution , became a general in the New Jersey militia .
His grandfather , William Colfax , married Hester Schuyler , a cousin of General Philip Schuyler .
His grandfather , William Colfax , served in George Washington 's Life Guard during the American Revolution , became a general in the New Jersey militia and married Hester Schuyler , a cousin of General Philip Schuyler .