C. F. Keil and Franz Delitzsch on Ezra 1:5

Ezr 1:5

In consequence of this royal summons, the heads of the houses of Judah and Benjamin, of the priests and Levites, - in short, all whose spirit God stirred up, - rose to go up to build the house of God. The ל in לכל serves to comprise the remaining persons, and may therefore be rendered by, in short, or namely; comp. Ewald, §310, a. The relative sentence then depends upon כּל without אשׁר. The thought is: All the Jews were called upon to return, but those only obeyed the call whom God made willing to build the temple at Jerusalem, i.e., whom the religious craving of their hearts impelled thereto. For, as Josephus says, Antt. xi. 1: πολλοὶ κατέμειναν ἐν τῇ Βαβυλῶνι τὰ κτήματα καταλιπεῖν οὐ θέλοντες.