Joshua 21:10

10 The cities belonged to the descendants of Aaron, one of the Kohathite clans of the Levites, because the lot had fallen to them first.

Joshua 21:10 Meaning and Commentary

Joshua 21:10

Which the children of Aaron, [being] of the families of the
Kohathites
Who descending from Kohath, in the line of Aaron, were priests:

[who were] of the children of Levi, had;
they were Levites, as descending from Levi, but were priests also, as being of the stock of Aaron, and the cities hereafter mentioned in the said tribe fell to their portion:

for theirs was the first lot;
for being of the line of Aaron, and priests, they had the honour and privilege to have the first lot drawn for them, and out of the tribe for which the first lot was also drawn, the tribe of Judah; here they had their cities allotted them, for a reason before given.

Joshua 21:10 In-Context

8 So the Israelites gave these cities and their pasturelands to the Levites by lot, exactly as the LORD had commanded through Moses.

9 They gave the following cities, identified here by name, from the tribe of the Judahites and the tribe of the Simeonites.

10 The cities belonged to the descendants of Aaron, one of the Kohathite clans of the Levites, because the lot had fallen to them first.

11 They gave them Kiriath-arba (that is, Hebron) in the highlands of Judah and the pastures around it. (Arba was the father of Anak.)

12 But they had already given the fields of the city and its surrounding areas to Caleb, Jephunneh's son, as his property.