Alexander of Tu·nis 
(tnĭs, ty-), First Earl. Title of Harold Rupert Leofric George Alexander. 1891-1969.
(tnĭs, ty-), First Earl. Title of Harold Rupert Leofric George Alexander. 1891-1969. British field marshal who during World War II led maneuvers at Dunkirk and in Burma, North Africa, and Italy.