Book of Genesis heaven and earth". There are four major textual witnesses to the book: the Masoretic Text, the Samaritan Pentateuch, the Septuagint, and fragments of Genesis found at Qumran. The Qumran group provides the oldest manuscripts but covers only a small proportion of the book; in general, the Masoretic Text is well preserved and reliable, but there are many individual instances where the other versions preserve a superior reading. For much of the 20th century most scholars agreed that the five books of the Pentateuch—Genesis, Exodus, Leviticus, Numbers and Deuteronomy—came from four sources, the Yahwist, the Elohist, the Deuteronomist and the Priestly
Wife–sister narratives in the Book of Genesis are all related to each other in some way, according to Coats, sharing common content, structure and genre for communicating the content. In all three stories a promise for progeny is not a factor in the content and the structure rather the narratives have a focus on blessing. Hepner concludes, through Biblical exegesis and semantics, that it is plausible that the union of Abraham and Sarah was actually incestuous with Sarah being Abraham's half-sister. For example, in Genesis 20: 13, Abraham, talking to Abimelech, alludes to Leviticus laws or the Holiness code, by using the phrase "lovingkindness." The same word