Amos 1:9, 11

This is what the LORD says: “For three sins of Tyre, even for four, I will not relent. Because she sold whole communities of captives to Edom, disregarding a treaty of brotherhood

This is what the LORD says: “For three sins of Edom, even for four, I will not relent. Because he pursued his brother with a sword and slaughtered the women of the land, because his anger raged continually and his fury flamed unchecked