Shem (or Sem) was the first of the sons of Noah in the Bible. He is mentioned in Genesis 5:32, 6:10; 7:13; 9:18,23,26-27; 10; 11:10; also in 1 Chronicles[?] 1:4. The Messiah is descended from Shem in an unbroken line. The Jews derive their origin from Shem and are sometimes referred to as Semitic. However, a more recent theory states that the name may be derived from Sumer or the Sumerians.
... is spread out with 20.5% under the age of 18, 6.1% from 18 to 24, 24.6% from 25 to 44, 28.2% from 45 to 64, and 20.7% who are 65 years of age or older. The median age is ...