Stevenson

[ stee-vuh n-suh n ]
/ ˈsti vən sən /

noun

Ad·lai Ew·ing [ad-ley yoo-ing] /ˈæd leɪ ˈyu ɪŋ/,1835–1914, vice president of the U.S. 1893–97.
his grandson, Adlai E(wing), 1900–65, U.S. statesman and diplomat: ambassador to the U.N. 1960–65.
Andrew,1784–1857, U.S. politician: Speaker of the House 1827–34.
Robert LouisRobert Lewis Balfour,1850–94, Scottish novelist, essayist, and poet.

British Dictionary definitions for adlai stevenson

Stevenson
/ (ˈstiːvənsən) /

noun

Adlai Ewing (ˈædleɪ ˈjuːɪŋ). 1900–68, US statesman: twice defeated as Democratic presidential candidate (1952; 1956); US delegate at the United Nations (1961–65)
Robert Louis (Balfour). 1850–94, Scottish writer: his novels include Treasure Island (1883), Kidnapped (1886), and The Master of Ballantrae (1889)