Note: This is just one of 1,130 family groupings listed on The Political Graveyard web site. These families each have three or more politician members, all linked together by blood, marriage or adoption.

These groupings — even the names of the groupings, and the areas of main activity — are the result of a computer algorithm working with the data I have, not the choices of any historian or genealogist.

	William Elderkin Leffingwell (1855-1927) — also known as William E. Leffingwell — of Dansville, Livingston County, N.Y.; Watkins (now Watkins Glen), Schuyler County, N.Y. Born in Aurora, Cayuga County, N.Y., July 10, 1855. Democrat. Candidate for Presidential Elector for New York, 1904; member of New York state assembly from Schuyler County, 1909; delegate to Democratic National Convention from New York, 1920. Member, Freemasons; Sons of the Revolution. Died October 12, 1927 (age 72 years, 94 days). Interment at Glenwood Cemetery, Watkins Glen, N.Y.   Relatives: Son of Dr. Elisha Leffingwell (physician); father of William Murray Leffingwell (who married Margaret Bowlby Leffingwell (1885-1980)).   Political family: Leffingwell family of Watkins Glen, New York.
	Margaret Bowlby Leffingwell (1885-1980) — also known as Margaret B. Leffingwell; Margaret Elizabeth Bowlby — of Watkins Glen, Schuyler County, N.Y. Born in New York, November 15, 1885. Democrat. Alternate delegate to Democratic National Convention from New York, 1932, 1936. Female. Died in Washington, D.C., July 19, 1980 (age 94 years, 247 days). Interment at Arlington National Cemetery, Arlington, Va.   Relatives: Married, February 26, 1919, to William Murray Leffingwell (1896-1983) (son of William Elderkin Leffingwell).   Political family: Leffingwell family of Watkins Glen, New York.
	William Murray Leffingwell (1896-1983) — also known as William M. Leffingwell — of Watkins Glen, Schuyler County, N.Y. Born in New York, New York County, N.Y., June 6, 1896. Democrat. Candidate for Presidential Elector for New York, 1920; candidate for New York state assembly from Schuyler County, 1935, 1940. Episcopalian. Member, Freemasons; American Legion; Rotary. Died May 21, 1983 (age 86 years, 349 days). Interment at Arlington National Cemetery, Arlington, Va.   Relatives: Son of William Elderkin Leffingwell (1855-1927) and Mary (Walsh) Leffingwell; married, February 26, 1919, to Margaret Elizabeth Bowlby.   Political family: Leffingwell family of Watkins Glen, New York.