Joshua 21:10

10 to the descendants of Aaron from the Kohathite clans of the Levites, because they received the first lot.

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 The Israelites gave these cities with their pasturelands around them to the Levites by lot, as the Lord had commanded through Moses.
9 The Israelites gave these cities by name from the tribes of the descendants of Judah and Simeon
10 to the descendants of Aaron from the Kohathite clans of the Levites, because they received the first lot.
11 They gave them Kiriath-arba (that is, Hebron) with its surrounding pasturelands in the hill country of Judah. Arba was the father of Anak.
12 But they gave the fields and villages of the city to Caleb son of Jephunneh as his possession.
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