Joshua 21:5
"And the rest of the children of Kohath had by lot out of the families of the tribe of Ephraim, and out of the tribe of Dan, and out of the half tribe of Manasseh, ten cities."
Cross References (ranked by relevance)
Numbers 3:27
And of Kohath was the family of the Amramites, and the family of the Izeharites, and the family of the Hebronites, and the family of the Uzzielites: these are the families of the Kohathites.
Genesis 46:11
And the sons of Levi; Gershon, Kohath, and Merari.
1 Chronicles 6:61
And unto the sons of Kohath, which were left of the family of that tribe, were cities given out of the half tribe, namely, out of the half tribe of Manasseh, by lot, ten cities.