'Double Portion' in the Bible
Rather, he must acknowledge the son of the less loved wife as firstborn and give him the double portion of all he has, for that son is the beginning of his father's procreative power -- to him should go the right of the firstborn.
But he would give a double portion to Hannah, because he especially loved her. Now the Lord had not enabled her to have children.
When they had crossed over, Elijah said to Elisha, "What can I do for you, before I am taken away from you?" Elisha answered, "May I receive a double portion of the prophetic spirit that energizes you."
Instead of shame, you will get a double portion; instead of humiliation, they will rejoice over the land they receive. Yes, they will possess a double portion in their land and experience lasting joy.