TSK
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An Ammonite or a Moabite shall not enter into the assembly of Yahweh; even to the tenth generation shall none belonging to them enter into the assembly of Yahweh forever:
David went there to Mizpeh of Moab, and he said to the king of Moab, "Please let my father and my mother come out with you, until I know what God will do for me."
On that day they read in the book of Moses in the audience of the people; and therein was found written, that an Ammonite and a Moabite should not enter into the assembly of God forever,