Reu is a biblical figure mentioned in the Book of Genesis. He is the son of Serug and the father of Zeruiah, making him part of the lineage of Abraham. Reu lived for 239 years and is noted for being the father of Nahor, who is also a significant figure in the genealogy of the Hebrew people. In the context of biblical genealogy, Reu is part of the ancestry that leads to Isaac and ultimately to Jacob, the patriarch of the Israelites. His name means "friend" or "companion" in Hebrew, reflecting the close-knit relationships within his family line.