Misinterpretations often arise from imposing modern ethical standards on ancient practices, such as labeling the unions as incestuous endorsements—Sarai being Abram's half-sister and Milcah Nahor's niece—ignoring their cultural acceptability in patriarchal times before Mosaic prohibitions; others detach it from its role in tracing Israel's ancestry, treating it as moral guidance rather than historical genealogy.
Genesis 11:29
King James Version (1769)
29 And Abram and Nahor took them wives: the name of Abram’s wife was Sarai; and the name of Nahor’s wife, Milcah, the daughter of Haran, the father of Milcah, and the father of Iscah.
This verse outlines the marriages within Terah's family, noting that Abram wed Sarai while his brother Nahor married Milcah, daughter of their deceased brother Haran, establishing crucial genealogical ties that anchor the Abrahamic lineage and prepare for God's covenant promises to Abram as the father of many nations.