JAMBRI jăm’ brī (̓Ιαμβρί). The name of a tribe that came out of Medeba (mentioned in Num 21:31 as a city of the Amorites) and took captive John, the brother of Jonathan, the Maccabean leader of the Jews, and seized everything that he possessed. This outrage was avenged by his brothers, Jonathan and Simon, who ambushed a wedding party of the sons of Jambri, killing many, and taking their spoils (1 Macc 9:36).