Deuteronomy 23:3 in the World English Bible
An Ammonite or a Moabite shall not enter into the LORD’s assembly; even to the tenth generation shall no one belonging to them enter into the LORD’s assembly forever,
Context
2 A bastard shall not enter into the congregation of the LORD; even to his tenth generation shall he not enter into the congregation of the LORD.
3 An Ammonite or Moabite shall not enter into the congregation of the LORD; even to their tenth generation shall they not enter into the congregation of the LORD for ever:
4 Because they met you not with bread and with water in the way, when ye came forth out of Egypt; and because they hired against thee Balaam the son of Beor of Pethor of Mesopotamia, to curse thee.