King James Version (KJV) - Exodus 34:7 >

Keeping mercy for thousands, forgiving iniquity and transgression and sin, and that will by no means clear [the guilty;] visiting the iniquity of the fathers upon the children, and upon the children’s children, unto the third and to the fourth [generation].

Berean Study Bible (BSB) - Exodus 34:7 >

maintaining loving devotion to a thousand generations, forgiving iniquity, transgression, and sin. Yet He will by no means leave the guilty unpunished; He will visit the iniquity of the fathers on their children and grandchildren to the third and fourth generations.”