On 13 Apr 1741 Johannes first married Marianna LeBlanck in Lützellinden, Gft. Nassau-Weilburg, Holy Roman Empire. Born in Lützellinden, Gft. Nassau-Weilburg, Holy Roman Empire. Marianna died in Lunenburg, Lunenburg Co., Nova Scotia, British America in Dec 1763. Buried on 13 Dec 1763.
The marriage record in the Lützellinden parish registers state "den 7. Mayy [1741] sind couliret worden Johannes Jung andreas Jung Sohn mit einem frembten mensch Maria Anna, deren Vatter gewesen ein franzöischer Leutnant de [gesstrichen] Le Blanck gennant" (the 7th May [1741] was married Johannes Jung, Andreas Jung's son, with a foreign person Maria Anna, who was the daughter of a French lieutenant named Le Blanck).