Where it appears

• Gen 50:23Joseph saw Ephraim’s children to the third generation. The children also of Machir, the son of Manasseh, were born on Joseph’s knees.
• Exod 20:5you shall not bow yourself down to them, nor serve them, for I, Yahweh your God, am a jealous God, visiting the iniquity of the fathers on the children, on the third and on the fourth generation of those who hate me,
• Exod 34:7keeping loving kindness for thousands, forgiving iniquity and disobedience and sin; and that will by no means clear the guilty, visiting the iniquity of the fathers on the children, and on the children’s children, on the third and on the fourth generation.”
• Num 14:18‘Yahweh is slow to anger, and abundant in loving kindness, forgiving iniquity and disobedience; and that will by no means clear the guilty, visiting the iniquity of the fathers on the children, on the third and on the fourth generation.’
• Deut 5:9You shall not bow yourself down to them, nor serve them; for I, Yahweh, your God, am a jealous God, visiting the iniquity of the fathers on the children, and on the third and on the fourth generation of those who hate me;