1 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
6:63To the sons of Merari, for their families, from the tribe of Reuben, and from the tribe of Gad, and from the tribe of Zebulun, by lot, twelve cities.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.