which were for the children of Aaron, one of the families of the Kohathites, who were of the children of Levi; for the lot was theirs first.
Joshua 21:10
Surrounding context
21:9 So they gave from the tribe of the children of Judah and from the tribe of the children of Simeon these cities which are designated by name,
21:10 which were for the children of Aaron, one of the families of the Kohathites, who were of the children of Levi; for the lot was theirs first.
21:11 And they gave them Kirjath Arba (Arba was the father of Anak), which is Hebron, in the mountains of Judah, with the common-land surrounding it.