Shem was one of the sons of Noah
Sons of Noah
The Seventy Nations or Sons of Noah is an extensive list of descendants of Noah appearing in of the Hebrew Bible, representing an ethnology from an Iron Age Levantine perspective...

 in the Hebrew Bible
Hebrew Bible
The Hebrew Bible is a term used by biblical scholars outside of Judaism to refer to the Tanakh , a canonical collection of Jewish texts, and the common textual antecedent of the several canonical editions of the Christian Old Testament...

 as well as in Islamic literature
Literature is the art of written works, and is not bound to published sources...

. He is most popularly regarded as the eldest son, though some traditions regard him as the second son. Genesis 10:21 refers to relative ages of Shem and his brother Japheth
Japheth is one of the sons of Noah in the Abrahamic tradition...

, but with sufficient ambiguity in each to have yielded different translations. The verse is translated in the KJV as "Unto Shem also, the father of all the children of Eber
Eber is an ancestor of the Israelites, according to the "Table of Nations" in and . He was a great-grandson of Noah's son Shem and the father of Peleg born when Eber was 34 years old, and of Joktan. He was the son of Shelah a distant ancestor of Abraham...

, the brother of Japheth the elder, even to him were children born.".