Ezra 6:19-21

Young's Literal Translation

¹⁹ And the sons of the captivity make the passover on the fourteenth of the first month,

²⁰ for the priests and the Levites have been purified together -- all of them [are] pure -- and they slaughter the passover for all the sons of the captivity, and for their brethren the priests, and for themselves.

²¹ And the sons of Israel, those returning from the captivity, and every one who is separated from the uncleanness of the nations of the land unto them, to seek to Jehovah, God of Israel, do eat,