GENEALOGY, n. An account of one’s descent from an ancestor who did not particularly care to trace his own.
Ambrose Bierce (1842-1914?) American writer and journalist
“Genealogy,” The Cynic’s Word Book (1906)
(Source)
Included in The Devil's Dictionary (1911). Originally published in the "Devil's Dictionary" column in the San Francisco Wasp (1885-02-21).