Deuteronomy 23:2 in the King James Version
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.
Context
1 He who is emasculated by crushing or cutting shall not enter into the LORD’s assembly.
2 A person born of a forbidden union shall not enter into the LORD’s assembly; even to the tenth generation shall no one of his enter into the LORD’s assembly.
3 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,