Kammala jumla mai zuwa: Jebb ya zama Jakadan Burtaniya a Majalisar Dinkin Duniya daga 1950 zuwa 1954 kuma zuwa Paris daga 1954 zuwa 1960. Shi ne wakilin dindindin na farko na Burtaniya a Majalisar Dinkin Duniya. A wannan matsayi na karshe, ya yi fushi da cewa tattaunawar sirri tsakanin Birtaniya, Faransa da Isra'ila a gabanin yarjejeniyar.
mamayewar Suez a 1956 ya faru a Sèvres ba tare da saninsa ba kuma, a wasu fannoni, cewa Firayim Minista Harold Macmillan ya yi watsi da shi a taron "babban iko" na Paris a 1960.