David then gives him the name of Lord, so how is it possible for him to be his son?
This was what the Lord had said to Jehu, Your sons to the fourth generation will be kings of Israel. And so it came about.
2 Kings 15:12
So that the word of Isaiah the prophet might come true: He himself took our pains and our diseases.
Then Elisha made a prayer to the Lord, saying, Lord, let his eyes be open so that he may see. And the Lord made the young man’s eyes open; and he saw that all the mountain was full of horses and carriages of fire round Elisha.
2 Kings 6:17
For one man is not different from another before God.
And she said to her husband, Now I see that this is a holy man of God, who comes by day after day.
2 Kings 4:9