Jerzy Potocki, Ambassador of the government of defeated Poland, leaving the White House. Count Jerzy Jozef Henryk Potocki (29 January 1889 - 10 September 1961) was a Polish nobleman, captain of the cavalry and diplomat. Since 1933 in the diplomatic service, he was appointed ambassador to Italy but refused to take the commission in protest against the Four-Power Pact. From 1933 to 1936 he was ambassador in Ankara and from 1936 to 1940 in Washington.