2 Chronicles 11:22
Rehoboam appointed Abijah, son of Maacah, as family head and prince among his brothers. By doing this, Rehoboam could make him king.
Deuteronomy 21:15-17
If a man have two wives and loves one more than the other. The first son of either wife is the man's first-born son, even if the boy's mother is the wife he does not love. A man near death and dividing up his property must give a double share to his first-born son. This is because he was the first to be born.
1 Chronicles 5:1-2
The sons of Reuben the firstborn of Israel he was the firstborn, but when he defiled his father's marriage bed, his rights as firstborn were given to the sons of Joseph son of Israel; so he could not be listed in the genealogical record in accordance with his birthright,
1 Chronicles 29:1
King David announced to the entire assembly: God has chosen my son Solomon. He is however young and lacks experience. The work to be done is enormous, because this is not a palace for people but a Temple for Jehovah God.