Cross reference
Exodus 4:25
25 Then Zipporah took a sharp stone, and cut off the foreskin of her son, and cast it at his feet, and said, Surely a bloody husband art thou to me.
Joshua 5:2-3
2 At that time the LORD said unto Joshua, Make thee sharp knives, and circumcise again the children of Israel the second time.
3 And Joshua made him sharp knives, and circumcised the children of Israel at the hill of the foreskins.
Genesis 17:14
14 And the uncircumcised man child whose flesh of his foreskin is not circumcised, that soul shall be cut off from his people; he hath broken my covenant.
2 Samuel 16:7
7 And thus said Shimei when he cursed, Come out, come out, thou bloody man, and thou man of Belial: