Ezekiel 44:7 References

7 when you brought in aforeigners, buncircumcised in heart and uncircumcised in flesh, to be in My sanctuary to profane it, even My house, when you coffered My food, the fat and the blood; for they dmade My covenant void--this in addition to all your abominations.

a Exodus 12:43-49

Exodus 12

43 The Lord said to Moses and Aaron, "This is the ordinance of athe Passover: no bforeigner is to eat of it;
44 but every man's aslave purchased with money, after you have circumcised him, then he may eat of it.
45 "aA sojourner or a hired servant shall not eat of it.
46 "It is to be eaten in a single house; you are not to bring forth any of the flesh outside of the house, anor are you to break any bone of it.
47 "aAll the congregation of Israel are to celebrate this.
48 "But aif a stranger sojourns with you, and celebrates the Passover to the Lord, let all his males be circumcised, and then let him come near to celebrate it; and he shall be like a native of the land. But no uncircumcised person may eat of it.
49 "aThe same law shall apply to the native as to the stranger who sojourns among you."

Other references for Ezekiel 44:7

b Leviticus 26:41, Deuteronomy 10:16, Jeremiah 4:4, Jeremiah 9:26
c Leviticus 22:25
d Genesis 17:14