Genesis 17:12

17:12 Throughout your generations every male among you who is eight days old must be circumcised, whether born in your house or bought with money from any foreigner who is not one of your descendants.

Ezekiel 44:9

44:9 This is what the sovereign Lord says: No foreigner, who is uncircumcised in heart and flesh among all the foreigners who are among the people of Israel, will enter into my sanctuary.

Ezekiel 47:22

47:22 You must allot it as an inheritance among yourselves and for the foreigners who reside among you, who have fathered sons among you. You must treat them as native-born among the people of Israel; they will be allotted an inheritance with you among the tribes of Israel.