Old Testament and the story of Joseph. His father was Jacob (also known as “Israel”). Jacob had 12 sons. They would be the 12 tribes of the nation Israel. Joseph’s brothers were jealous of him and did a horrible thing to Joseph.  But, God used this misfortune to save the nation of Israel from starvation many years later.

Here is a version of Joseph’s story for children:

http://www.topmarks.co.uk/judaism/joseph/joseph.htm