All these latter kings joined forces in the Valley of Siddim (that is, the Dead Sea Valley).
NMVAll these were joined together in the valley of Siddim (Plains, place of plowing a field) [Siddim Valley], which is the salt sea [Dead Sea].
OJBAll these were joined together in the Valley of Siddim which is the Yam HaMelach.
Onkelos (Etheridge)All these were assembled at the plain of the field, which is (now) the place of the sea of salt.
T4TThose five kings and their armies gathered together in Siddim Valley, which is also called the Dead Sea Valley, to fight against the four kings and their armies. King Chedorlaomer and his army conquered the armies of those five kings, and demanded that those kings pay him tribute money each year.