The stories in the Old Testament foreshadow future events -- not so much historical events, but changes in the spiritual states of humankind.
In the inner meaning, the story of Jacob, and his twelve sons, and Joseph and his dreams, deals with people's eventual rejection of the Divine truths that they would receive from the Lord in the Christian church, and their acceptance of falsities instead.
Specifically, this chapter is about the way that some theologians in the Christian church developed the idea of salvation by faith alone, when the Lord really wants us to conjoin faith and charity in our lives.
This seems like a stretch - that a story from 3500+ years ago could be foreshadowing modern theological arguments. And yet, human beings, as partly-spiritual creatures, are always players in a big, long spiritual story - and the Old Testament stories are archetypes for things we wrestle with in our own lives. For the details of this story's meaning, look at Arcana Coelestia 4665, and the following passages.
Jacob’s Sons Spiritual tasks offer a reflection on a Biblical story and suggest a task for spiritual growth. Activity | Ages over 18
Joseph and His Brothers A New Church Bible story explanation for teaching Sunday school. Includes lesson materials for Primary (3-8 years), Junior (9-11 years), Intermediate (12-14 years), Senior (15-17 years) and Adults. Teaching Support | Ages over 3
Joseph and His Brothers Family lessons provide a worship talk and a variety of activities for children and teens.. Religion Lesson | Ages 4 - 17
Joseph's Dreams - Level A Complete lesson with activity choices: make sun, moon, and stars pieces and act out Joseph's first dream; learn an action rhyme about Joseph's second dream with video demonstration; scripted story discussion; coloring picture; and a memory verse. Sunday School Lesson | Ages 4 - 6
Joseph's Dreams - Level B Complete lesson with activity choices: play a card game matching talents and needs; make a diorama of the sun, moon, and stars bowing down to Joseph; scripted story discussion; coloring picture; and a memory verse. Sunday School Lesson | Ages 7 - 10
Joseph's Dreams - Level C Complete lesson with activity choices: watch and discuss a video about Joseph's Brothers in Your Head, learn what Joseph represents and make a folding star to show how we can seek to be like Joseph, read and reflect on a door handle sign about listening to your dreams, and a scripted story discussion. Sunday School Lesson | Ages 11 - 14
Joseph's Dreams - Level D Complete lesson with activity choices: watch and discuss a video about Joseph's Brothers in Your Head, act out scenarios in pairs to practice behaving with integrity, read and reflect on a door handle sign about listening to your dreams, and a scripted story discussion. Sunday School Lesson | Ages 15 - 17