The children of Merari by their families
 The descendants of Merari, the third son of Levi: 
 [had] out of the tribe of Reuben, and out of the tribe of Gad;
 which were both on the other side Jordan: 
 and out of the tribe of Zebulun, twelve cities;
 in all forty eight, as the Lord commanded, ( Numbers 35:7 ) .