If only one is sounded, the leaders—the heads of the clans of Israel—are to assemble before you.
NMVAnd if they blow [but] with one [trumpet], then the princes, [which are] heads of the thousands of Yisra’el [He Holds Onto The Heel Of God], shall gather themselves unto youi.
OJBAnd if they sound but with one, then the Nasi'im, which are heads of Yisroelʼs thousands, shall gather themselves unto thee.
Onkelos (Etheridge)And if they blow with but one, the chiefs, the heads of thousands of Israel, shall gather together to thee.
T4TIf only one trumpet is blown, it means that only the twelve leaders of the tribes must gather together.